diff options
Diffstat (limited to 'src/test/ui/associated-types/associated-types-path-2.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-path-2.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-path-2.rs b/src/test/ui/associated-types/associated-types-path-2.rs new file mode 100644 index 000000000..c993e1d27 --- /dev/null +++ b/src/test/ui/associated-types/associated-types-path-2.rs @@ -0,0 +1,46 @@ +// Test type checking of uses of associated types via sugary paths. + +pub trait Foo { + type A; + + fn dummy(&self) { } +} + +impl Foo for i32 { + type A = u32; +} + +pub fn f1<T: Foo>(a: T, x: T::A) {} +pub fn f2<T: Foo>(a: T) -> T::A { + panic!(); +} + +pub fn f1_int_int() { + f1(2i32, 4i32); + //~^ ERROR mismatched types + //~| expected `u32`, found `i32` +} + +pub fn f1_int_uint() { + f1(2i32, 4u32); +} + +pub fn f1_uint_uint() { + f1(2u32, 4u32); + //~^ ERROR `u32: Foo` is not satisfied + //~| ERROR `u32: Foo` is not satisfied +} + +pub fn f1_uint_int() { + f1(2u32, 4i32); + //~^ ERROR `u32: Foo` is not satisfied + //~| ERROR `u32: Foo` is not satisfied +} + +pub fn f2_int() { + let _: i32 = f2(2i32); + //~^ ERROR mismatched types + //~| expected `i32`, found `u32` +} + +pub fn main() { } |