rust/src/test/ui/feature-gates/feature-gate-in_band_lifetimes.rs
2018-12-25 21:08:33 -07:00

63 lines
1.5 KiB
Rust

#![allow(warnings)]
fn foo(x: &'x u8) -> &'x u8 { x }
//~^ ERROR use of undeclared lifetime name
//~^^ ERROR use of undeclared lifetime name
struct X<'a>(&'a u8);
impl<'a> X<'a> {
fn inner(&self) -> &'a u8 {
self.0
}
}
impl<'a> X<'b> {
//~^ ERROR use of undeclared lifetime name
fn inner_2(&self) -> &'b u8 {
//~^ ERROR use of undeclared lifetime name
self.0
}
}
impl X<'b> {
//~^ ERROR use of undeclared lifetime name
fn inner_3(&self) -> &'b u8 {
//~^ ERROR use of undeclared lifetime name
self.0
}
}
struct Y<T>(T);
impl Y<&'a u8> {
//~^ ERROR use of undeclared lifetime name
fn inner(&self) -> &'a u8 {
//~^ ERROR use of undeclared lifetime name
self.0
}
}
trait MyTrait<'a> {
fn my_lifetime(&self) -> &'a u8;
fn any_lifetime() -> &'b u8;
//~^ ERROR use of undeclared lifetime name
fn borrowed_lifetime(&'b self) -> &'b u8;
//~^ ERROR use of undeclared lifetime name
//~^^ ERROR use of undeclared lifetime name
}
impl MyTrait<'a> for Y<&'a u8> {
//~^ ERROR use of undeclared lifetime name
//~^^ ERROR use of undeclared lifetime name
fn my_lifetime(&self) -> &'a u8 { self.0 }
//~^ ERROR use of undeclared lifetime name
fn any_lifetime() -> &'b u8 { &0 }
//~^ ERROR use of undeclared lifetime name
fn borrowed_lifetime(&'b self) -> &'b u8 { &*self.0 }
//~^ ERROR use of undeclared lifetime name
//~^^ ERROR use of undeclared lifetime name
}
fn main() {}