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</pre><pre class='rust '>
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<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>;
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>, <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>)))]</span>
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<span class='kw'>use</span> <span class='ident'>ansi_term</span>::<span class='ident'>Colour</span>::{<span class='ident'>Green</span>, <span class='ident'>Red</span>, <span class='ident'>Yellow</span>};
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>, <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>)))]</span>
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<span class='kw'>use</span> <span class='ident'>ansi_term</span>::<span class='ident'>ANSIString</span>;
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<span class='doccomment'>/// Defines styles for different types of error messages. Defaults to Error=Red, Warning=Yellow,</span>
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<span class='doccomment'>/// and Good=Green</span>
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<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>)]</span>
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<span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span>
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<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>Format</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> {
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<span class='doccomment'>/// Defines the style used for errors, defaults to Red</span>
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<span class='ident'>Error</span>(<span class='ident'>T</span>),
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<span class='doccomment'>/// Defines the style used for warnings, defaults to Yellow</span>
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<span class='ident'>Warning</span>(<span class='ident'>T</span>),
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<span class='doccomment'>/// Defines the style used for good values, defaults to Green</span>
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<span class='ident'>Good</span>(<span class='ident'>T</span>),
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}
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>, <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>)))]</span>
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<span class='kw'>impl</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>str</span><span class='op'>>></span> <span class='ident'>Format</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> {
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<span class='kw'>fn</span> <span class='ident'>format</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>ANSIString</span> {
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<span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> {
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<span class='ident'>Format</span>::<span class='ident'>Error</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>Red</span>.<span class='ident'>bold</span>().<span class='ident'>paint</span>(<span class='ident'>e</span>.<span class='ident'>as_ref</span>()),
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<span class='ident'>Format</span>::<span class='ident'>Warning</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>Yellow</span>.<span class='ident'>paint</span>(<span class='ident'>e</span>.<span class='ident'>as_ref</span>()),
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<span class='ident'>Format</span>::<span class='ident'>Good</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>Green</span>.<span class='ident'>paint</span>(<span class='ident'>e</span>.<span class='ident'>as_ref</span>()),
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}
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}
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}
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>, <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>)))]</span>
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<span class='kw'>impl</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>str</span><span class='op'>>></span> <span class='ident'>fmt</span>::<span class='ident'>Display</span> <span class='kw'>for</span> <span class='ident'>Format</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> {
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<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>f</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
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<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"{}"</span>, <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>format</span>())
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}
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}
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>not</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>), <span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>))]</span>
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<span class='kw'>impl</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>fmt</span>::<span class='ident'>Display</span><span class='op'>></span> <span class='ident'>Format</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> {
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<span class='kw'>fn</span> <span class='ident'>format</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>T</span> {
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<span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> {
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<span class='ident'>Format</span>::<span class='ident'>Error</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>e</span>,
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<span class='ident'>Format</span>::<span class='ident'>Warning</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>e</span>,
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<span class='ident'>Format</span>::<span class='ident'>Good</span>(<span class='kw-2'>ref</span> <span class='ident'>e</span>) <span class='op'>=></span> <span class='ident'>e</span>,
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}
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}
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}
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>any</span>(<span class='ident'>not</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>), <span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>))]</span>
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||
<span class='kw'>impl</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>fmt</span>::<span class='ident'>Display</span><span class='op'>></span> <span class='ident'>fmt</span>::<span class='ident'>Display</span> <span class='kw'>for</span> <span class='ident'>Format</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> {
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||
<span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>f</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> {
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||
<span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"{}"</span>, <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>format</span>())
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}
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||
}
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||
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<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>all</span>(<span class='ident'>test</span>, <span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"color"</span>, <span class='ident'>not</span>(<span class='ident'>target_os</span> <span class='op'>=</span> <span class='string'>"windows"</span>)))]</span>
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<span class='kw'>mod</span> <span class='ident'>test</span> {
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<span class='kw'>use</span> <span class='kw'>super</span>::<span class='ident'>Format</span>;
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<span class='kw'>use</span> <span class='ident'>ansi_term</span>::<span class='ident'>Colour</span>::{<span class='ident'>Green</span>, <span class='ident'>Red</span>, <span class='ident'>Yellow</span>};
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<span class='attribute'>#[<span class='ident'>test</span>]</span>
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<span class='kw'>fn</span> <span class='ident'>colored_output</span>() {
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<span class='kw'>let</span> <span class='ident'>err</span> <span class='op'>=</span> <span class='ident'>Format</span>::<span class='ident'>Error</span>(<span class='string'>"error"</span>);
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||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>err</span>),
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<span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>Red</span>.<span class='ident'>bold</span>().<span class='ident'>paint</span>(<span class='string'>"error"</span>)));
|
||
<span class='kw'>let</span> <span class='ident'>good</span> <span class='op'>=</span> <span class='ident'>Format</span>::<span class='ident'>Good</span>(<span class='string'>"good"</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>good</span>), <span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>Green</span>.<span class='ident'>paint</span>(<span class='string'>"good"</span>)));
|
||
<span class='kw'>let</span> <span class='ident'>warn</span> <span class='op'>=</span> <span class='ident'>Format</span>::<span class='ident'>Warning</span>(<span class='string'>"warn"</span>);
|
||
<span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>warn</span>), <span class='kw-2'>&</span><span class='op'>*</span><span class='macro'>format</span><span class='macro'>!</span>(<span class='string'>"{}"</span>, <span class='ident'>Yellow</span>.<span class='ident'>paint</span>(<span class='string'>"warn"</span>)));
|
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}
|
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}
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