rust/tests/ui/symbol-names/trait-objects.rs
2024-02-16 20:02:50 +00:00

48 lines
948 B
Rust

// Ensure that trait objects don't include more than one binder. See #83611
//@ build-fail
//@ revisions: v0
//@[v0]compile-flags: -C symbol-mangling-version=v0
//@[v0]normalize-stderr-test: "core\[.*?\]" -> "core[HASH]"
#![feature(rustc_attrs)]
trait Bar {
fn method(&self) {}
}
impl Bar for &dyn FnMut(&u8) {
#[rustc_symbol_name]
//[v0]~^ ERROR symbol-name
//[v0]~| ERROR demangling
//[v0]~| ERROR demangling-alt
fn method(&self) {}
}
trait Foo {
fn method(&self) {}
}
impl Foo for &(dyn FnMut(&u8) + for<'b> Send) {
#[rustc_symbol_name]
//[v0]~^ ERROR symbol-name
//[v0]~| ERROR demangling
//[v0]~| ERROR demangling-alt
fn method(&self) {}
}
trait Baz {
fn method(&self) {}
}
impl Baz for &(dyn for<'b> Send + FnMut(&u8)) {
#[rustc_symbol_name]
//[v0]~^ ERROR symbol-name
//[v0]~| ERROR demangling
//[v0]~| ERROR demangling-alt
fn method(&self) {}
}
fn main() {
}