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Use #[deriving(Copy)] for InvariantLifetime

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This commit is contained in:
Jake Goulding 2014-12-14 09:48:56 -05:00
parent 22a9f250b5
commit 1afa8acca8
1 changed files with 1 additions and 3 deletions
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4
src/libcore/kinds.rs
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@ -256,11 +256,9 @@ pub mod marker {
/// and this pointer is itself stored in an inherently mutable
/// location (such as a `Cell`).
#[lang="invariant_lifetime"]
#[deriving(Clone, PartialEq, Eq, PartialOrd, Ord)]
#[deriving(Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub struct InvariantLifetime<'a>;
impl<'a> Copy for InvariantLifetime<'a> {}
/// A type which is considered "not sendable", meaning that it cannot
/// be safely sent between tasks, even if it is owned. This is
/// typically embedded in other types, such as `Gc`, to ensure that