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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/associated-types/object-method-numbering.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/object-method-numbering.rs b/src/test/ui/associated-types/object-method-numbering.rs new file mode 100644 index 000000000..bf80a80f4 --- /dev/null +++ b/src/test/ui/associated-types/object-method-numbering.rs @@ -0,0 +1,28 @@ +// run-pass +// Test for using an object with an associated type binding as the +// instantiation for a generic type with a bound. + + +trait SomeTrait { + type SomeType; + + fn get(&self) -> Self::SomeType; +} + +fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 { + x.get() +} + +impl SomeTrait for i32 { + type SomeType = i32; + fn get(&self) -> i32 { + *self + } +} + +fn main() { + let x = 22; + let x1: &dyn SomeTrait<SomeType=i32> = &x; + let y = get_int(x1); + assert_eq!(x, y); +} |