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Add util::ignore

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Ben Blum
2012-08-07 14:16:51 -04:00
parent efea6f016e
commit 0cc6cefaec
1 changed files with 3 additions and 0 deletions
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src/libcore/util.rs
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@@ -5,6 +5,9 @@
/// The identity function. /// The identity function.
pure fn id<T>(+x: T) -> T { x } pure fn id<T>(+x: T) -> T { x }
/// Ignores a value.
pure fn ignore<T>(+_x: T) { }
/** /**
* Swap the values at two mutable locations of the same type, without * Swap the values at two mutable locations of the same type, without
* deinitialising or copying either one. * deinitialising or copying either one.