rust/tests/codegen-units/item-collection/trait-implementations.rs
2024-05-31 15:56:45 +10:00

70 lines
1.5 KiB
Rust

//@ compile-flags:-Zprint-mono-items=eager -Zinline-mir=no
#![deny(dead_code)]
#![feature(start)]
pub trait SomeTrait {
fn foo(&self);
fn bar<T>(&self, x: T);
}
impl SomeTrait for i64 {
//~ MONO_ITEM fn <i64 as SomeTrait>::foo
fn foo(&self) {}
fn bar<T>(&self, _: T) {}
}
impl SomeTrait for i32 {
//~ MONO_ITEM fn <i32 as SomeTrait>::foo
fn foo(&self) {}
fn bar<T>(&self, _: T) {}
}
pub trait SomeGenericTrait<T> {
fn foo(&self, x: T);
fn bar<T2>(&self, x: T, y: T2);
}
// Concrete impl of generic trait
impl SomeGenericTrait<u32> for f64 {
//~ MONO_ITEM fn <f64 as SomeGenericTrait<u32>>::foo
fn foo(&self, _: u32) {}
fn bar<T2>(&self, _: u32, _: T2) {}
}
// Generic impl of generic trait
impl<T> SomeGenericTrait<T> for f32 {
fn foo(&self, _: T) {}
fn bar<T2>(&self, _: T, _: T2) {}
}
//~ MONO_ITEM fn start
#[start]
fn start(_: isize, _: *const *const u8) -> isize {
//~ MONO_ITEM fn <i32 as SomeTrait>::bar::<char>
0i32.bar('x');
//~ MONO_ITEM fn <f64 as SomeGenericTrait<u32>>::bar::<&str>
0f64.bar(0u32, "&str");
//~ MONO_ITEM fn <f64 as SomeGenericTrait<u32>>::bar::<()>
0f64.bar(0u32, ());
//~ MONO_ITEM fn <f32 as SomeGenericTrait<char>>::foo
0f32.foo('x');
//~ MONO_ITEM fn <f32 as SomeGenericTrait<i64>>::foo
0f32.foo(-1i64);
//~ MONO_ITEM fn <f32 as SomeGenericTrait<u32>>::bar::<()>
0f32.bar(0u32, ());
//~ MONO_ITEM fn <f32 as SomeGenericTrait<&str>>::bar::<&str>
0f32.bar("&str", "&str");
0
}