mirror of https://github.com/rust-lang/rust
47 lines
812 B
Rust
47 lines
812 B
Rust
// Test type checking of uses of associated types via sugary paths.
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pub trait Foo {
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type A;
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fn dummy(&self) { }
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}
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impl Foo for i32 {
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type A = u32;
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}
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pub fn f1<T: Foo>(a: T, x: T::A) {}
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pub fn f2<T: Foo>(a: T) -> T::A {
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panic!();
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}
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pub fn f1_int_int() {
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f1(2i32, 4i32);
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//~^ ERROR mismatched types
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//~| expected `u32`, found `i32`
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}
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pub fn f1_int_uint() {
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f1(2i32, 4u32);
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}
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pub fn f1_uint_uint() {
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f1(2u32, 4u32);
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//~^ ERROR `u32: Foo` is not satisfied
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//~| ERROR `u32: Foo` is not satisfied
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}
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pub fn f1_uint_int() {
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f1(2u32, 4i32);
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//~^ ERROR `u32: Foo` is not satisfied
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//~| ERROR `u32: Foo` is not satisfied
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}
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pub fn f2_int() {
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let _: i32 = f2(2i32);
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//~^ ERROR mismatched types
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//~| expected `i32`, found `u32`
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}
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pub fn main() { }
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