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Diffstat (limited to 'src/test/ui/regions/regions-variance-invariant-use-contravariant.rs')
-rw-r--r-- | src/test/ui/regions/regions-variance-invariant-use-contravariant.rs | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/test/ui/regions/regions-variance-invariant-use-contravariant.rs b/src/test/ui/regions/regions-variance-invariant-use-contravariant.rs deleted file mode 100644 index a81aaa9c7..000000000 --- a/src/test/ui/regions/regions-variance-invariant-use-contravariant.rs +++ /dev/null @@ -1,24 +0,0 @@ -// Test that an invariant region parameter used in a contravariant way -// yields an error. -// -// Note: see variance-regions-*.rs for the tests that check that the -// variance inference works in the first place. - -struct Invariant<'a> { - f: &'a mut &'a isize -} - -fn use_<'short,'long>(c: Invariant<'long>, - s: &'short isize, - l: &'long isize, - _where:Option<&'short &'long ()>) { - - // Test whether Invariant<'long> <: Invariant<'short>. Since - // 'short <= 'long, this would be true if the Invariant type were - // contravariant with respect to its parameter 'a. - - let _: Invariant<'short> = c; - //~^ ERROR lifetime may not live long enough -} - -fn main() { } |