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// compile-flags:-Zprint-mono-items=eager
#![deny(dead_code)]
#![feature(start)]
trait SomeTrait {
fn foo(&self) { }
fn bar<T>(&self, x: T) -> T { x }
}
impl SomeTrait for i8 {
// take the default implementations
// For the non-generic foo(), we should generate a codegen-item even if it
// is not called anywhere
//~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::foo[0]<i8>
}
trait SomeGenericTrait<T1> {
fn foo(&self) { }
fn bar<T2>(&self, x: T1, y: T2) {}
}
// Non-generic impl of generic trait
impl SomeGenericTrait<u64> for i32 {
// take the default implementations
// For the non-generic foo(), we should generate a codegen-item even if it
// is not called anywhere
//~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::foo[0]<i32, u64>
}
// Non-generic impl of generic trait
impl<T1> SomeGenericTrait<T1> for u32 {
// take the default implementations
// since nothing is monomorphic here, nothing should be generated unless used somewhere.
}
//~ MONO_ITEM fn trait_method_default_impl::start[0]
#[start]
fn start(_: isize, _: *const *const u8) -> isize {
//~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::bar[0]<i8, char>
let _ = 1i8.bar('c');
//~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::bar[0]<i8, &str>
let _ = 2i8.bar("&str");
//~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<i32, u64, char>
0i32.bar(0u64, 'c');
//~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<i32, u64, &str>
0i32.bar(0u64, "&str");
//~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<u32, i8, &[char; 1]>
0u32.bar(0i8, &['c']);
//~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<u32, i16, ()>
0u32.bar(0i16, ());
0
}
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