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refactor(bintols-join): return err if the result cannot be converted to T #80 #79
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This commit is contained in:
Christoph J. Scherr 2024-05-13 15:13:35 +02:00
parent b9f55d1613
commit 22d5b3ac07
1 changed files with 7 additions and 1 deletions
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8
members/libpt-bintols/src/join.rs
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@ -27,7 +27,13 @@ pub fn array_to_unsigned<T>(parts: &[u8]) -> anyhow::Result<T>
where where
u128: std::convert::From<T>, u128: std::convert::From<T>,
T: std::str::FromStr, T: std::str::FromStr,
T: std::convert::TryFrom<u128>,
<T as std::str::FromStr>::Err: std::fmt::Debug, <T as std::str::FromStr>::Err: std::fmt::Debug,
<T as std::str::FromStr>::Err: std::error::Error,
<T as std::convert::TryFrom<u128>>::Error: std::error::Error,
<T as std::convert::TryFrom<u128>>::Error: std::marker::Send,
<T as std::convert::TryFrom<u128>>::Error: std::marker::Sync,
<T as std::convert::TryFrom<u128>>::Error: 'static,
{ {
trace!("amount of parts: {}", parts.len()); trace!("amount of parts: {}", parts.len());
if parts.len() > (u128::BITS / 8) as usize { if parts.len() > (u128::BITS / 8) as usize {
@ -40,5 +46,5 @@ where
for (i, e) in parts.iter().rev().enumerate() { for (i, e) in parts.iter().rev().enumerate() {
ri += (*e as u128) * 256u128.pow(i as u32); ri += (*e as u128) * 256u128.pow(i as u32);
} }
Ok(ri.to_string().parse().unwrap()) T::try_from(ri).map_err(anyhow::Error::from)
} }