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|
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|
||
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|
||
</pre><pre class='rust '>
|
||
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>str</span>::<span class='ident'>FromStr</span>;
|
||
<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ascii</span>::<span class='ident'>AsciiExt</span>;
|
||
|
||
<span class='macro'>bitflags</span><span class='macro'>!</span> {
|
||
<span class='ident'>flags</span> <span class='ident'>Flags</span>: <span class='ident'>u32</span> {
|
||
<span class='kw'>const</span> <span class='ident'>SC_NEGATE_REQS</span> <span class='op'>=</span> <span class='number'>0b00000000000000000000001</span>,
|
||
<span class='kw'>const</span> <span class='ident'>SC_REQUIRED</span> <span class='op'>=</span> <span class='number'>0b00000000000000000000010</span>,
|
||
<span class='kw'>const</span> <span class='ident'>A_REQUIRED_ELSE_HELP</span> <span class='op'>=</span> <span class='number'>0b00000000000000000000100</span>,
|
||
<span class='kw'>const</span> <span class='ident'>GLOBAL_VERSION</span> <span class='op'>=</span> <span class='number'>0b00000000000000000001000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>VERSIONLESS_SC</span> <span class='op'>=</span> <span class='number'>0b00000000000000000010000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>UNIFIED_HELP</span> <span class='op'>=</span> <span class='number'>0b00000000000000000100000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>WAIT_ON_ERROR</span> <span class='op'>=</span> <span class='number'>0b00000000000000001000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>SC_REQUIRED_ELSE_HELP</span><span class='op'>=</span> <span class='number'>0b00000000000000010000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NEEDS_LONG_HELP</span> <span class='op'>=</span> <span class='number'>0b00000000000000100000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NEEDS_LONG_VERSION</span> <span class='op'>=</span> <span class='number'>0b00000000000001000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NEEDS_SC_HELP</span> <span class='op'>=</span> <span class='number'>0b00000000000010000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>DISABLE_VERSION</span> <span class='op'>=</span> <span class='number'>0b00000000000100000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>HIDDEN</span> <span class='op'>=</span> <span class='number'>0b00000000001000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>TRAILING_VARARG</span> <span class='op'>=</span> <span class='number'>0b00000000010000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NO_BIN_NAME</span> <span class='op'>=</span> <span class='number'>0b00000000100000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>ALLOW_UNK_SC</span> <span class='op'>=</span> <span class='number'>0b00000001000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>UTF8_STRICT</span> <span class='op'>=</span> <span class='number'>0b00000010000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>UTF8_NONE</span> <span class='op'>=</span> <span class='number'>0b00000100000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>LEADING_HYPHEN</span> <span class='op'>=</span> <span class='number'>0b00001000000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NO_POS_VALUES</span> <span class='op'>=</span> <span class='number'>0b00010000000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>NEXT_LINE_HELP</span> <span class='op'>=</span> <span class='number'>0b00100000000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>DERIVE_DISP_ORDER</span> <span class='op'>=</span> <span class='number'>0b01000000000000000000000</span>,
|
||
<span class='kw'>const</span> <span class='ident'>COLORED_HELP</span> <span class='op'>=</span> <span class='number'>0b10000000000000000000000</span>,
|
||
}
|
||
}
|
||
|
||
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
|
||
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>)]</span>
|
||
<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>AppFlags</span>(<span class='ident'>Flags</span>);
|
||
|
||
<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>AppFlags</span> {
|
||
<span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw'>Self</span> {
|
||
<span class='ident'>AppFlags</span>(<span class='self'>self</span>.<span class='number'>0</span>)
|
||
}
|
||
}
|
||
|
||
<span class='kw'>impl</span> <span class='ident'>Default</span> <span class='kw'>for</span> <span class='ident'>AppFlags</span> {
|
||
<span class='kw'>fn</span> <span class='ident'>default</span>() <span class='op'>-></span> <span class='kw'>Self</span> {
|
||
<span class='ident'>AppFlags</span>(<span class='ident'>NEEDS_LONG_VERSION</span> <span class='op'>|</span> <span class='ident'>NEEDS_LONG_HELP</span> <span class='op'>|</span> <span class='ident'>NEEDS_SC_HELP</span> <span class='op'>|</span> <span class='ident'>UTF8_NONE</span>)
|
||
}
|
||
}
|
||
|
||
<span class='kw'>impl</span> <span class='ident'>AppFlags</span> {
|
||
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='kw'>Self</span> {
|
||
<span class='ident'>AppFlags</span>::<span class='ident'>default</span>()
|
||
}
|
||
|
||
<span class='macro'>impl_settings</span><span class='macro'>!</span> { <span class='ident'>AppSettings</span>,
|
||
<span class='ident'>SubcommandsNegateReqs</span> <span class='op'>=></span> <span class='ident'>SC_NEGATE_REQS</span>,
|
||
<span class='ident'>VersionlessSubcommands</span> <span class='op'>=></span> <span class='ident'>VERSIONLESS_SC</span>,
|
||
<span class='ident'>SubcommandRequired</span> <span class='op'>=></span> <span class='ident'>SC_REQUIRED</span>,
|
||
<span class='ident'>ArgRequiredElseHelp</span> <span class='op'>=></span> <span class='ident'>A_REQUIRED_ELSE_HELP</span>,
|
||
<span class='ident'>GlobalVersion</span> <span class='op'>=></span> <span class='ident'>GLOBAL_VERSION</span>,
|
||
<span class='ident'>UnifiedHelpMessage</span> <span class='op'>=></span> <span class='ident'>UNIFIED_HELP</span>,
|
||
<span class='ident'>WaitOnError</span> <span class='op'>=></span> <span class='ident'>WAIT_ON_ERROR</span>,
|
||
<span class='ident'>SubcommandRequiredElseHelp</span> <span class='op'>=></span> <span class='ident'>SC_REQUIRED_ELSE_HELP</span>,
|
||
<span class='ident'>NeedsLongHelp</span> <span class='op'>=></span> <span class='ident'>NEEDS_LONG_HELP</span>,
|
||
<span class='ident'>NeedsLongVersion</span> <span class='op'>=></span> <span class='ident'>NEEDS_LONG_VERSION</span>,
|
||
<span class='ident'>NeedsSubcommandHelp</span> <span class='op'>=></span> <span class='ident'>NEEDS_SC_HELP</span>,
|
||
<span class='ident'>DisableVersion</span> <span class='op'>=></span> <span class='ident'>DISABLE_VERSION</span>,
|
||
<span class='ident'>Hidden</span> <span class='op'>=></span> <span class='ident'>HIDDEN</span>,
|
||
<span class='ident'>TrailingVarArg</span> <span class='op'>=></span> <span class='ident'>TRAILING_VARARG</span>,
|
||
<span class='ident'>NoBinaryName</span> <span class='op'>=></span> <span class='ident'>NO_BIN_NAME</span>,
|
||
<span class='ident'>AllowExternalSubcommands</span> <span class='op'>=></span> <span class='ident'>ALLOW_UNK_SC</span>,
|
||
<span class='ident'>StrictUtf8</span> <span class='op'>=></span> <span class='ident'>UTF8_STRICT</span>,
|
||
<span class='ident'>AllowInvalidUtf8</span> <span class='op'>=></span> <span class='ident'>UTF8_NONE</span>,
|
||
<span class='ident'>AllowLeadingHyphen</span> <span class='op'>=></span> <span class='ident'>LEADING_HYPHEN</span>,
|
||
<span class='ident'>HidePossibleValuesInHelp</span> <span class='op'>=></span> <span class='ident'>NO_POS_VALUES</span>,
|
||
<span class='ident'>NextLineHelp</span> <span class='op'>=></span> <span class='ident'>NEXT_LINE_HELP</span>,
|
||
<span class='ident'>ColoredHelp</span> <span class='op'>=></span> <span class='ident'>COLORED_HELP</span>,
|
||
<span class='ident'>DeriveDisplayOrder</span> <span class='op'>=></span> <span class='ident'>DERIVE_DISP_ORDER</span>
|
||
}
|
||
}
|
||
|
||
<span class='doccomment'>/// Application level settings, which affect how `App` operates</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** When these settings are used, they apply only to current command, and are *not*</span>
|
||
<span class='doccomment'>/// propagated down or up through child or parent subcommands</span>
|
||
<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>, <span class='ident'>PartialEq</span>, <span class='ident'>Copy</span>, <span class='ident'>Clone</span>)]</span>
|
||
<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>AppSettings</span> {
|
||
<span class='doccomment'>/// Allows subcommands to override all requirements of the parent command. For example</span>
|
||
<span class='doccomment'>/// if you had a subcommand or top level application which had a required argument that</span>
|
||
<span class='doccomment'>/// are only required as long as there is no subcommand present, using this setting would allow</span>
|
||
<span class='doccomment'>/// you set those arguments to `required(true)` and yet receive no error so long as the user</span>
|
||
<span class='doccomment'>/// uses a valid subcommand instead.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This defaults to false (using subcommand does *not* negate requirements)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// This first example shows that it is an error to not use a required argument</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings, SubCommand, ErrorKind};</span>
|
||
<span class='doccomment'>/// let err = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::SubcommandsNegateReqs)</span>
|
||
<span class='doccomment'>/// .arg(Arg::with_name("opt").required(true))</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test"))</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(vec![</span>
|
||
<span class='doccomment'>/// "myprog"</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>/// assert!(err.is_err());</span>
|
||
<span class='doccomment'>/// assert_eq!(err.unwrap_err().kind, ErrorKind::MissingRequiredArgument);</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// This next example shows that it is no longer error to not use a required argument if a</span>
|
||
<span class='doccomment'>/// valid subcommand is used.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings, SubCommand, ErrorKind};</span>
|
||
<span class='doccomment'>/// let noerr = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::SubcommandsNegateReqs)</span>
|
||
<span class='doccomment'>/// .arg(Arg::with_name("opt").required(true))</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test"))</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(vec![</span>
|
||
<span class='doccomment'>/// "myprog", "test"</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>/// assert!(noerr.is_ok());</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>SubcommandsNegateReqs</span>,
|
||
<span class='doccomment'>/// Allows specifying that if no subcommand is present at runtime, error and exit gracefully</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This defaults to false (subcommands do *not* need to be present)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, AppSettings, SubCommand, ErrorKind};</span>
|
||
<span class='doccomment'>/// let err = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::SubcommandRequired)</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test"))</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(vec![</span>
|
||
<span class='doccomment'>/// "myprog",</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>/// assert!(err.is_err());</span>
|
||
<span class='doccomment'>/// assert_eq!(err.unwrap_err().kind, ErrorKind::MissingSubcommand);</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>SubcommandRequired</span>,
|
||
<span class='doccomment'>/// Specifies that the help text should be displayed (and then exit gracefully), if no</span>
|
||
<span class='doccomment'>/// arguments are present at runtime (i.e. an empty run such as, `$ myprog`.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** Subcommands count as arguments</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::ArgRequiredElseHelp)</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>ArgRequiredElseHelp</span>,
|
||
<span class='doccomment'>/// Specifies to version of the current command for all child subcommands. (Defaults to false;</span>
|
||
<span class='doccomment'>/// subcommands have independant version strings from their parents)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** The version for the current command **and** this setting must be set **prior** to</span>
|
||
<span class='doccomment'>/// adding any child subcommands</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```no_run</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, SubCommand, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .version("v1.1")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::GlobalVersion)</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test"))</span>
|
||
<span class='doccomment'>/// .get_matches();</span>
|
||
<span class='doccomment'>/// // running `$ myprog test --version` will display</span>
|
||
<span class='doccomment'>/// // "myprog-test v1.1"</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>GlobalVersion</span>,
|
||
<span class='doccomment'>/// Disables `-V` and `--version` for all subcommands (Defaults to false; subcommands have</span>
|
||
<span class='doccomment'>/// version flags)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This setting must be set **prior** adding any subcommands</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, SubCommand, AppSettings, ErrorKind};</span>
|
||
<span class='doccomment'>/// let res = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .version("v1.1")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::VersionlessSubcommands)</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test"))</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(vec![</span>
|
||
<span class='doccomment'>/// "myprog", "test", "-V"</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>/// assert!(res.is_err());</span>
|
||
<span class='doccomment'>/// assert_eq!(res.unwrap_err().kind, ErrorKind::UnknownArgument);</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>VersionlessSubcommands</span>,
|
||
<span class='doccomment'>/// Groups flags and options together presenting a more unified help message (a la `getopts` or</span>
|
||
<span class='doccomment'>/// `docopt` style). The default is the auto-generated help message groups flags, options</span>
|
||
<span class='doccomment'>/// separately.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This setting is cosmetic only and does not affect any functionality.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```no_run</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, SubCommand, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::UnifiedHelpMessage)</span>
|
||
<span class='doccomment'>/// .get_matches();</span>
|
||
<span class='doccomment'>/// // running `myprog --help` will display a unified "docopt" or "getopts" style help message</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>UnifiedHelpMessage</span>,
|
||
<span class='doccomment'>/// Will display a message "Press [ENTER]/[RETURN] to continue..." and wait user before</span>
|
||
<span class='doccomment'>/// exiting</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// This is most useful when writing an application which is run from a GUI shortcut, or on</span>
|
||
<span class='doccomment'>/// Windows where a user tries to open the binary by double-clicking instead of using the</span>
|
||
<span class='doccomment'>/// command line.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This setting is **not** recursive with subcommands, meaning if you wish this</span>
|
||
<span class='doccomment'>/// behavior for all subcommands, you must set this on each command (needing this is extremely</span>
|
||
<span class='doccomment'>/// rare)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::WaitOnError)</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>WaitOnError</span>,
|
||
<span class='doccomment'>/// Specifies that the help text should be displayed (and then exit gracefully), if no</span>
|
||
<span class='doccomment'>/// subcommands are present at runtime (i.e. an empty run such as, `$ myprog`.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This should *not* be used with `.subcommand_required()` as they do the same</span>
|
||
<span class='doccomment'>/// thing, except this prints the help text, and the other prints an error.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** If the user specifies arguments at runtime, but no subcommand the help text will</span>
|
||
<span class='doccomment'>/// still be displayed and exit. If this is *not* the desired result, consider using</span>
|
||
<span class='doccomment'>/// `ArgRequiredElseHelp` instead.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::SubcommandRequiredElseHelp)</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>SubcommandRequiredElseHelp</span>,
|
||
<span class='doccomment'>/// Specifies that this subcommand should be hidden from help messages</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings, SubCommand};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .subcommand(SubCommand::with_name("test")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::Hidden))</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>Hidden</span>,
|
||
<span class='doccomment'>/// Specifies that the final positional argument is a "VarArg" and that `clap` should not</span>
|
||
<span class='doccomment'>/// attempt to parse any further args.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// The values of the trailing positional argument will contain all args from itself on.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** The final positional argument **must** have `.multiple(true)` or the usage string</span>
|
||
<span class='doccomment'>/// equivalent.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings};</span>
|
||
<span class='doccomment'>/// let m = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::TrailingVarArg)</span>
|
||
<span class='doccomment'>/// .arg(Arg::from_usage("<cmd>... 'commands to run'"))</span>
|
||
<span class='doccomment'>/// .get_matches_from(vec!["myprog", "arg1", "-r", "val1"]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// let trail: Vec<&str> = m.values_of("cmd").unwrap().collect();</span>
|
||
<span class='doccomment'>/// assert_eq!(trail, ["arg1", "-r", "val1"]);</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>TrailingVarArg</span>,
|
||
<span class='doccomment'>/// Specifies that the parser should not assume the first argument passed is the binary name.</span>
|
||
<span class='doccomment'>/// This is normally the case when using a "daemon" style mode, or an interactive CLI where one</span>
|
||
<span class='doccomment'>/// one would not normally type the binary or program name for each command.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings};</span>
|
||
<span class='doccomment'>/// let m = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::NoBinaryName)</span>
|
||
<span class='doccomment'>/// .arg(Arg::from_usage("<cmd>... 'commands to run'"))</span>
|
||
<span class='doccomment'>/// .get_matches_from(vec!["command", "set"]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// let cmds: Vec<&str> = m.values_of("cmd").unwrap().collect();</span>
|
||
<span class='doccomment'>/// assert_eq!(cmds, ["command", "set"]);</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>NoBinaryName</span>,
|
||
<span class='doccomment'>/// Specifies that an unexpected argument positional arguments which would otherwise cause a</span>
|
||
<span class='doccomment'>/// `ErrorKind::UnknownArgument` error, should instead be treated as a subcommand in the</span>
|
||
<span class='doccomment'>/// `ArgMatches` struct.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** Use this setting with caution, as a truly unexpected argument (i.e. one that is</span>
|
||
<span class='doccomment'>/// *NOT* an external subcommand) will not cause an error and instead be treatd as a potential</span>
|
||
<span class='doccomment'>/// subcommand. You shoud inform the user appropriatly.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{App, AppSettings};</span>
|
||
<span class='doccomment'>/// // Assume there is an external subcommand named "subcmd"</span>
|
||
<span class='doccomment'>/// let m = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::AllowExternalSubcommands)</span>
|
||
<span class='doccomment'>/// .get_matches_from(vec![</span>
|
||
<span class='doccomment'>/// "myprog", "subcmd", "--option", "value", "-fff", "--flag"</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// // All trailing arguments will be stored under the subcommand's sub-matches using a value</span>
|
||
<span class='doccomment'>/// // of the runtime subcommand name (in this case "subcmd")</span>
|
||
<span class='doccomment'>/// match m.subcommand() {</span>
|
||
<span class='doccomment'>/// (external, Some(ext_m)) => {</span>
|
||
<span class='doccomment'>/// let ext_args: Vec<&str> = ext_m.values_of(external).unwrap().collect();</span>
|
||
<span class='doccomment'>/// assert_eq!(ext_args, ["--option", "value", "-fff", "--flag"]);</span>
|
||
<span class='doccomment'>/// },</span>
|
||
<span class='doccomment'>/// _ => {},</span>
|
||
<span class='doccomment'>/// }</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>AllowExternalSubcommands</span>,
|
||
<span class='doccomment'>/// Specifies that any invalid UTF-8 code points should be treated as an error and fail</span>
|
||
<span class='doccomment'>/// with a `ErrorKind::InvalidUtf8` error.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This rule only applies to argument values, as flags, options, and subcommands</span>
|
||
<span class='doccomment'>/// themselves only allow valid UTF-8 code points.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Platform Specific</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// Non Windows systems only</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```ignore</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings, ErrorKind};</span>
|
||
<span class='doccomment'>/// use std::ffi::OsString;</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// let m = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::StrictUtf8)</span>
|
||
<span class='doccomment'>/// .arg_from_usage("<arg> 'some positional arg'")</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(</span>
|
||
<span class='doccomment'>/// vec![</span>
|
||
<span class='doccomment'>/// OsString::from("myprog"),</span>
|
||
<span class='doccomment'>/// OsString::from_vec(vec![0xe9])]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// assert!(m.is_err());</span>
|
||
<span class='doccomment'>/// assert_eq!(m.unwrap_err().kind, ErrorKind::InvalidUtf8);</span>
|
||
<span class='doccomment'>/// }</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>StrictUtf8</span>,
|
||
<span class='doccomment'>/// Specifies that any invalid UTF-8 code points should *not* be treated as an error. This is</span>
|
||
<span class='doccomment'>/// the default behavior of `clap`</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** Using argument values with invalid UTF-8 code points requires using Either</span>
|
||
<span class='doccomment'>/// `ArgMatches::os_value(s)_of` or `ArgMatches::lossy_value(s)_of` for those particular</span>
|
||
<span class='doccomment'>/// arguments which may contain invalid UTF-8 values</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This rule only applies to argument values, as flags, options, and subcommands</span>
|
||
<span class='doccomment'>/// themselves only allow valid UTF-8 code points.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Platform Specific</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// Non Windows systems only</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```ignore</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, AppSettings};</span>
|
||
<span class='doccomment'>/// use std::ffi::OsString;</span>
|
||
<span class='doccomment'>/// use std::os::unix::ffi::OsStrExt;</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// let r = App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::StrictUtf8)</span>
|
||
<span class='doccomment'>/// .arg_from_usage("<arg> 'some positional arg'")</span>
|
||
<span class='doccomment'>/// .get_matches_from_safe(</span>
|
||
<span class='doccomment'>/// vec![</span>
|
||
<span class='doccomment'>/// OsString::from("myprog"),</span>
|
||
<span class='doccomment'>/// OsString::from_vec(vec![0xe9])]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// assert!(r.is_ok());</span>
|
||
<span class='doccomment'>/// let m = r.unwrap();</span>
|
||
<span class='doccomment'>/// assert_eq!(m.value_of_os("arg").unwrap().as_bytes(), &[0xe9]);</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>AllowInvalidUtf8</span>,
|
||
<span class='doccomment'>/// Specifies that leading hyphens are allowed in argument *values*, such as negative numbers</span>
|
||
<span class='doccomment'>/// `-10`</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This can only be set application wide and not on a per argument basis.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** Use this setting with caution as it silences certain circumstances which would</span>
|
||
<span class='doccomment'>/// otherwise be an error (such as accidentally forgetting to specify a value for leading</span>
|
||
<span class='doccomment'>/// option)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```rust</span>
|
||
<span class='doccomment'>/// # use clap::{Arg, App, AppSettings};</span>
|
||
<span class='doccomment'>/// // Imagine you needed to represent negative numbers as well, such as -10</span>
|
||
<span class='doccomment'>/// let m = App::new("nums")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::AllowLeadingHyphen)</span>
|
||
<span class='doccomment'>/// .arg(Arg::with_name("neg").index(1))</span>
|
||
<span class='doccomment'>/// .get_matches_from(vec![</span>
|
||
<span class='doccomment'>/// "nums", "-20"</span>
|
||
<span class='doccomment'>/// ]);</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// assert_eq!(m.value_of("neg"), Some("-20"));</span>
|
||
<span class='doccomment'>/// # ;</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>AllowLeadingHyphen</span>,
|
||
<span class='doccomment'>/// Tells `clap` *not* to print possible values when displaying help information. This can be</span>
|
||
<span class='doccomment'>/// useful if there are many values, or they are explained elsewhere.</span>
|
||
<span class='ident'>HidePossibleValuesInHelp</span>,
|
||
<span class='doccomment'>/// Places the help string for all arguments on the line after the argument</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** This setting is cosmetic only and does not affect any functionality.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```no_run</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, SubCommand, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::NextLineHelp)</span>
|
||
<span class='doccomment'>/// .get_matches();</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>NextLineHelp</span>,
|
||
<span class='doccomment'>/// Displays the arguments and subcommands in the help message in the order that they were</span>
|
||
<span class='doccomment'>/// declared in, vice alphabetically which is the default.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```no_run</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, SubCommand, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::DeriveDisplayOrder)</span>
|
||
<span class='doccomment'>/// .get_matches();</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>DeriveDisplayOrder</span>,
|
||
<span class='doccomment'>/// Uses colorized help messages.</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// **NOTE:** Must be compiled with the `color` cargo feature</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Platform Specific</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// This setting only applies to Unix, Linux, and OSX (i.e. non-Windows platforms)</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// # Examples</span>
|
||
<span class='doccomment'>///</span>
|
||
<span class='doccomment'>/// ```no_run</span>
|
||
<span class='doccomment'>/// # use clap::{App, Arg, SubCommand, AppSettings};</span>
|
||
<span class='doccomment'>/// App::new("myprog")</span>
|
||
<span class='doccomment'>/// .setting(AppSettings::ColoredHelp)</span>
|
||
<span class='doccomment'>/// .get_matches();</span>
|
||
<span class='doccomment'>/// ```</span>
|
||
<span class='ident'>ColoredHelp</span>,
|
||
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
|
||
<span class='ident'>NeedsLongVersion</span>,
|
||
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
|
||
<span class='ident'>NeedsLongHelp</span>,
|
||
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
|
||
<span class='ident'>NeedsSubcommandHelp</span>,
|
||
<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
|
||
<span class='ident'>DisableVersion</span>,
|
||
}
|
||
|
||
<span class='kw'>impl</span> <span class='ident'>FromStr</span> <span class='kw'>for</span> <span class='ident'>AppSettings</span> {
|
||
<span class='kw'>type</span> <span class='prelude-val'>Err</span> <span class='op'>=</span> <span class='ident'>String</span>;
|
||
<span class='kw'>fn</span> <span class='ident'>from_str</span>(<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='kw'>Self</span>, <span class='op'><</span><span class='kw'>Self</span> <span class='kw'>as</span> <span class='ident'>FromStr</span><span class='op'>></span>::<span class='prelude-val'>Err</span><span class='op'>></span> {
|
||
<span class='kw'>match</span> <span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>s</span>.<span class='ident'>to_ascii_lowercase</span>() {
|
||
<span class='string'>"subcommandsnegatereqs"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>SubcommandsNegateReqs</span>),
|
||
<span class='string'>"subcommandsrequired"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>SubcommandRequired</span>),
|
||
<span class='string'>"argrequiredelsehelp"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>ArgRequiredElseHelp</span>),
|
||
<span class='string'>"globalversion"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>GlobalVersion</span>),
|
||
<span class='string'>"versionlesssubcommands"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>VersionlessSubcommands</span>),
|
||
<span class='string'>"unifiedhelpmessage"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>UnifiedHelpMessage</span>),
|
||
<span class='string'>"waitonerror"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>WaitOnError</span>),
|
||
<span class='string'>"subcommandrequiredelsehelp"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>SubcommandRequiredElseHelp</span>),
|
||
<span class='string'>"hidden"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>Hidden</span>),
|
||
<span class='string'>"allowexternalsubcommands"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>AllowExternalSubcommands</span>),
|
||
<span class='string'>"trailingvararg"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>TrailingVarArg</span>),
|
||
<span class='string'>"nobinaryname"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>NoBinaryName</span>),
|
||
<span class='string'>"strictutf8"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>StrictUtf8</span>),
|
||
<span class='string'>"allowinvalidutf8"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>AllowInvalidUtf8</span>),
|
||
<span class='string'>"allowleadinghyphen"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>AllowLeadingHyphen</span>),
|
||
<span class='string'>"hidepossiblevaluesinhelp"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>HidePossibleValuesInHelp</span>),
|
||
<span class='string'>"nextlinehelp"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>NextLineHelp</span>),
|
||
<span class='string'>"derivedisplayorder"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>DeriveDisplayOrder</span>),
|
||
<span class='string'>"coloredhelp"</span> <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>AppSettings</span>::<span class='ident'>ColoredHelp</span>),
|
||
_ <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='string'>"unknown AppSetting, cannot convert from str"</span>.<span class='ident'>to_owned</span>()),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
|
||
<span class='kw'>mod</span> <span class='ident'>test</span> {
|
||
<span class='kw'>use</span> <span class='kw'>super</span>::<span class='ident'>AppSettings</span>;
|
||
|
||
<span class='attribute'>#[<span class='ident'>test</span>]</span>
|
||
<span class='kw'>fn</span> <span class='ident'>app_settings_fromstr</span>() {
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"subcommandsnegatereqs"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>SubcommandsNegateReqs</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"subcommandsrequired"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>SubcommandRequired</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"argrequiredelsehelp"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>ArgRequiredElseHelp</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"globalversion"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>GlobalVersion</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"versionlesssubcommands"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>VersionlessSubcommands</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"unifiedhelpmessage"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>UnifiedHelpMessage</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"waitonerror"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>WaitOnError</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"subcommandrequiredelsehelp"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>SubcommandRequiredElseHelp</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"allowexternalsubcommands"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>AllowExternalSubcommands</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"trailingvararg"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>TrailingVarArg</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"nobinaryname"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>NoBinaryName</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"strictutf8"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>StrictUtf8</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"allowinvalidutf8"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>AllowInvalidUtf8</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"allowleadinghyphen"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>AllowLeadingHyphen</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"hidepossiblevaluesinhelp"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>HidePossibleValuesInHelp</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"coloredhelp"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>ColoredHelp</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='string'>"hidden"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>unwrap</span>(), <span class='ident'>AppSettings</span>::<span class='ident'>Hidden</span>);
|
||
<span class='macro'>assert</span><span class='macro'>!</span>(<span class='string'>"hahahaha"</span>.<span class='ident'>parse</span>::<span class='op'><</span><span class='ident'>AppSettings</span><span class='op'>></span>().<span class='ident'>is_err</span>());
|
||
}
|
||
}
|
||
</pre>
|
||
</section>
|
||
<section id='search' class="content hidden"></section>
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<section class="footer"></section>
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<h1 class="hidden">Help</h1>
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<h2>Keyboard Shortcuts</h2>
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||
<dd>Show this help dialog</dd>
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<dd>Focus the search field</dd>
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<dd>Move up in search results</dd>
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<dd>Go to active search result</dd>
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</dl>
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</div>
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|
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<div class="infos">
|
||
<h2>Search Tricks</h2>
|
||
|
||
<p>
|
||
Prefix searches with a type followed by a colon (e.g.
|
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<code>fn:</code>) to restrict the search to a given type.
|
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</p>
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|
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<p>
|
||
Accepted types are: <code>fn</code>, <code>mod</code>,
|
||
<code>struct</code>, <code>enum</code>,
|
||
<code>trait</code>, <code>type</code>, <code>macro</code>,
|
||
and <code>const</code>.
|
||
</p>
|
||
|
||
<p>
|
||
Search functions by type signature (e.g.
|
||
<code>vec -> usize</code> or <code>* -> vec</code>)
|
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