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Diffstat (limited to 'tests/ui/impl-inherent-non-conflict.rs')
-rw-r--r-- | tests/ui/impl-inherent-non-conflict.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/impl-inherent-non-conflict.rs b/tests/ui/impl-inherent-non-conflict.rs new file mode 100644 index 000000000..be524f87c --- /dev/null +++ b/tests/ui/impl-inherent-non-conflict.rs @@ -0,0 +1,23 @@ +// run-pass +// Ensure that a user-defined type admits multiple inherent methods +// with the same name, which can be called on values that have a +// precise enough type to allow distinguishing between the methods. + + +struct Foo<T>(T); + +impl Foo<usize> { + fn bar(&self) -> i32 { self.0 as i32 } +} + +impl Foo<isize> { + fn bar(&self) -> i32 { -(self.0 as i32) } +} + +fn main() { + let foo_u = Foo::<usize>(5); + assert_eq!(foo_u.bar(), 5); + + let foo_i = Foo::<isize>(3); + assert_eq!(foo_i.bar(), -3); +} |