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rust-bitcoin-unsafe-fast
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Implement std::error::Error for ParseAmount 

The `ParseAmountError` does not implement `std::error::Error`, must have
been missed when we did the rest.

Implement `std::error::Error` for `ParseAmount`.
This commit is contained in:
Tobin C. Harding 2022-06-10 12:07:46 +10:00
parent 09dd83add5
commit 5ce34011f2
1 changed files with 16 additions and 1 deletions
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17
src/util/amount.rs
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@ -193,7 +193,22 @@ impl fmt::Display for ParseAmountError {
#[cfg(feature = "std")] #[cfg(feature = "std")]
#[cfg_attr(docsrs, doc(cfg(feature = "std")))] #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
impl std::error::Error for ParseAmountError {} impl std::error::Error for ParseAmountError {
fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
use self::ParseAmountError::*;
match *self {
Negative
| TooBig
| TooPrecise
| InvalidFormat
| InputTooLarge
| InvalidCharacter(_)
| UnknownDenomination(_)
| PossiblyConfusingDenomination(_) => None
}
}
}
fn is_too_precise(s: &str, precision: usize) -> bool { fn is_too_precise(s: &str, precision: usize) -> bool {
s.contains('.') || precision >= s.len() || s.chars().rev().take(precision).any(|d| d != '0') s.contains('.') || precision >= s.len() || s.chars().rev().take(precision).any(|d| d != '0')