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Use the least significant beat to determine if int/uint is even

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This commit is contained in:
Flavio Percoco 2014-01-15 17:42:23 +01:00
parent 7bebdbd968
commit 515978d1bd
2 changed files with 2 additions and 2 deletions
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2
src/libstd/num/int_macros.rs
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@ -308,7 +308,7 @@ impl Integer for $T {
/// Returns `true` if the number is divisible by `2`
#[inline]
fn is_even(&self) -> bool { self.is_multiple_of(&2) }
fn is_even(&self) -> bool { self & 1 == 0 }
/// Returns `true` if the number is not divisible by `2`
#[inline]

2
src/libstd/num/uint_macros.rs
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@ -169,7 +169,7 @@ impl Integer for $T {
/// Returns `true` if the number is divisible by `2`
#[inline]
fn is_even(&self) -> bool { self.is_multiple_of(&2) }
fn is_even(&self) -> bool { self & 1 == 0 }
/// Returns `true` if the number is not divisible by `2`
#[inline]