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Fixed errors in libstd.

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This commit is contained in:
Isaac van Bakel 2017-08-02 15:16:20 +01:00
parent d3236a85ff
commit 9c854db82b
3 changed files with 8 additions and 8 deletions
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2
src/libstd/error.rs
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@ -514,7 +514,7 @@ mod tests {
#[test]
fn downcasting() {
let mut a = A;
let mut a = &mut a as &mut (Error + 'static);
let a = &mut a as &mut (Error + 'static);
assert_eq!(a.downcast_ref::<A>(), Some(&A));
assert_eq!(a.downcast_ref::<B>(), None);
assert_eq!(a.downcast_mut::<A>(), Some(&mut A));