rust/tests/ui/dep-graph/dep-graph-trait-impl-two-traits-same-method.rs
2024-02-16 20:02:50 +00:00

47 lines
753 B
Rust

// Test that adding an impl to a trait `Foo` DOES affect functions
// that only use `Bar` if they have methods in common.
//@ incremental
//@ compile-flags: -Z query-dep-graph
#![feature(rustc_attrs)]
#![allow(dead_code)]
#![allow(unused_imports)]
fn main() { }
pub trait Foo: Sized {
fn method(self) { }
}
pub trait Bar: Sized {
fn method(self) { }
}
mod x {
use {Foo, Bar};
#[rustc_if_this_changed]
impl Foo for u32 { }
impl Bar for char { }
}
mod y {
use {Foo, Bar};
#[rustc_then_this_would_need(typeck)] //~ ERROR OK
pub fn with_char() {
char::method('a');
}
}
mod z {
use y;
#[rustc_then_this_would_need(typeck)] //~ ERROR no path
pub fn z() {
y::with_char();
}
}