rust/tests/ui/stability-attribute/generics-default-stability-trait.rs
2024-02-16 20:02:50 +00:00

33 lines
654 B
Rust

//@ aux-build:unstable_generic_param.rs
#![feature(unstable_default6)]
extern crate unstable_generic_param;
use unstable_generic_param::*;
struct R;
impl Trait1 for S {
fn foo() -> () { () } // ok
}
struct S;
impl Trait1<usize> for S { //~ ERROR use of unstable library feature 'unstable_default'
fn foo() -> usize { 0 }
}
impl Trait1<isize> for S { //~ ERROR use of unstable library feature 'unstable_default'
fn foo() -> isize { 0 }
}
impl Trait2<usize> for S { //~ ERROR use of unstable library feature 'unstable_default'
fn foo() -> usize { 0 }
}
impl Trait3<usize> for S {
fn foo() -> usize { 0 } // ok
}
fn main() {
}