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Diffstat (limited to 'src/test/ui/traits/multidispatch-bad.rs')
-rw-r--r-- | src/test/ui/traits/multidispatch-bad.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/traits/multidispatch-bad.rs b/src/test/ui/traits/multidispatch-bad.rs new file mode 100644 index 000000000..b625b9615 --- /dev/null +++ b/src/test/ui/traits/multidispatch-bad.rs @@ -0,0 +1,22 @@ +// Test that we detect an illegal combination of types. + +trait Convert<Target> { + fn convert(&self) -> Target; +} + +impl Convert<u32> for i32 { + fn convert(&self) -> u32 { + *self as u32 + } +} + +fn test<T,U>(_: T, _: U) +where T : Convert<U> +{ +} + +fn a() { + test(22i32, 44i32); //~ ERROR mismatched types +} + +fn main() {} |