Merge rust-bitcoin/rust-bitcoin#1049: Implement std::error::Error for ParseAmount
5ce34011f2
Implement std::error::Error for ParseAmount (Tobin C. Harding) Pull request description: The `ParseAmountError` does not implement `std::error::Error`, must have been missed when we did the rest. Implement `std::error::Error` for `ParseAmount`. ACKs for top commit: Kixunil: ACK5ce34011f2
apoelstra: ACK5ce34011f2
Tree-SHA512: 8dafc472b7c23b54d856344e786e0f22e8e179f30f6c1011fbf5f8f0c6b1b5d74ed8e4f2638e5f8246f04dbb429e60027db6fe584d51a78957a6e904feb9e8a3
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9cfa9bd9df
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@ -185,7 +185,22 @@ impl fmt::Display for ParseAmountError {
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#[cfg(feature = "std")]
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#[cfg(feature = "std")]
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#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
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#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
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impl std::error::Error for ParseAmountError {}
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impl std::error::Error for ParseAmountError {
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fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
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use self::ParseAmountError::*;
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match *self {
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Negative
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| TooBig
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| TooPrecise
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| InvalidFormat
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| InputTooLarge
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| InvalidCharacter(_)
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| UnknownDenomination(_)
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| PossiblyConfusingDenomination(_) => None
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}
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}
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}
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fn is_too_precise(s: &str, precision: usize) -> bool {
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fn is_too_precise(s: &str, precision: usize) -> bool {
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s.contains('.') || precision >= s.len() || s.chars().rev().take(precision).any(|d| d != '0')
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s.contains('.') || precision >= s.len() || s.chars().rev().take(precision).any(|d| d != '0')
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