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//@ run-pass
#![feature(fn_delegation)]
#![allow(incomplete_features)]
mod to_reuse {
pub fn foo(x: i32) -> i32 { x }
pub mod inner {}
}
reuse to_reuse::foo {{
use self::to_reuse::foo;
let x = foo(12);
x + self
}}
trait Trait { //~ WARN trait `Trait` is never used
fn bar(&self, x: i32) -> i32 { x }
}
struct F; //~ WARN struct `F` is never constructed
impl Trait for F {}
struct S(F); //~ WARN struct `S` is never constructed
impl Trait for S {
reuse <F as Trait>::bar {
#[allow(unused_imports)]
use self::to_reuse::{foo, inner::self};
let x = foo(12);
assert_eq!(x, 12);
&self.0
}
}
fn main() {
assert_eq!(foo(12), 24);
}
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