rust/src/test/ui/synthetic-param.rs
2018-12-25 21:08:33 -07:00

29 lines
553 B
Rust

#![feature(rustc_attrs)]
fn func<#[rustc_synthetic] T>(_: T) {}
struct Foo;
impl Foo {
pub fn func<#[rustc_synthetic] T>(_: T) {}
}
struct Bar<S> {
t: S
}
impl<S> Bar<S> {
pub fn func<#[rustc_synthetic] T>(_: T) {}
}
fn main() {
func::<u8>(42); //~ ERROR cannot provide explicit type parameters
func(42); // Ok
Foo::func::<u8>(42); //~ ERROR cannot provide explicit type parameters
Foo::func(42); // Ok
Bar::<i8>::func::<u8>(42); //~ ERROR cannot provide explicit type parameters
Bar::<i8>::func(42); // Ok
}