blob: 49793b4b6f47e2313ed9535a2332db782950bf56 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
//@ run-rustfix
#[allow(unused)]
use std::fmt::Debug;
// Rustfix should add this, or use `std::fmt::Debug` instead.
#[allow(dead_code)]
struct ConstrainedStruct<X: Copy> {
x: X
}
#[allow(dead_code)]
trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy {
fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> {
//~^ ERROR the trait bound `X: Copy` is not satisfied
ConstrainedStruct { x }
//~^ ERROR the trait bound `X: Copy` is not satisfied
}
}
// Regression test for #120838
#[allow(dead_code)]
trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy {
fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> {
//~^ ERROR the trait bound `X: Copy` is not satisfied
ConstrainedStruct { x }
//~^ ERROR the trait bound `X: Copy` is not satisfied
}
}
pub fn main() { }
|