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Use match instead of comparison chain

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This commit is contained in:
mo8it 2024-08-22 14:37:47 +02:00
parent bedf0789f2
commit 423b50b068
2 changed files with 4 additions and 10 deletions
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2
exercises/13_error_handling/errors4.rs
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@ -1,5 +1,3 @@
#![allow(clippy::comparison_chain)]
#[derive(PartialEq, Debug)] #[derive(PartialEq, Debug)]
enum CreationError { enum CreationError {
Negative, Negative,

12
solutions/13_error_handling/errors4.rs
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@ -1,5 +1,3 @@
#![allow(clippy::comparison_chain)]
#[derive(PartialEq, Debug)] #[derive(PartialEq, Debug)]
enum CreationError { enum CreationError {
Negative, Negative,
@ -11,12 +9,10 @@ struct PositiveNonzeroInteger(u64);
impl PositiveNonzeroInteger { impl PositiveNonzeroInteger {
fn new(value: i64) -> Result<Self, CreationError> { fn new(value: i64) -> Result<Self, CreationError> {
if value == 0 { match value.cmp(&0) {
Err(CreationError::Zero) Ordering::Less => Err(CreationError::Negative),
} else if value < 0 { Ordering::Equal => Err(CreationError::Zero),
Err(CreationError::Negative) Ordering::Greater => Ok(Self(value as u64)),
} else {
Ok(Self(value as u64))
} }
} }
} }