Add clone derive for PngError
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@ -1,7 +1,7 @@
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use std::error::Error;
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use std::error::Error;
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use std::fmt;
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use std::fmt;
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#[derive(Debug)]
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#[derive(Debug,Clone)]
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pub struct PngError {
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pub struct PngError {
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description: String,
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description: String,
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}
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}
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