mirror of https://github.com/rust-lang/rust
158 lines
3.2 KiB
Rust
158 lines
3.2 KiB
Rust
//@ run-rustfix
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#![allow(dead_code, elided_named_lifetimes)]
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#![deny(no_mangle_generic_items)]
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pub fn foo<T>() {} //~ ERROR functions generic over types or consts must be mangled
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pub extern "C" fn bar<T>() {} //~ ERROR functions generic over types or consts must be mangled
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#[no_mangle]
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pub fn baz(x: &i32) -> &i32 { x }
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#[no_mangle]
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pub fn qux<'a>(x: &'a i32) -> &i32 { x }
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pub struct Foo;
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impl Foo {
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pub fn foo<T>() {} //~ ERROR functions generic over types or consts must be mangled
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pub extern "C" fn bar<T>() {} //~ ERROR functions generic over types or consts must be mangled
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#[no_mangle]
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pub fn baz(x: &i32) -> &i32 { x }
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#[no_mangle]
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pub fn qux<'a>(x: &'a i32) -> &i32 { x }
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}
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trait Trait1 {
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fn foo<T>();
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extern "C" fn bar<T>();
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fn baz(x: &i32) -> &i32;
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fn qux<'a>(x: &'a i32) -> &i32;
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}
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impl Trait1 for Foo {
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fn foo<T>() {} //~ ERROR functions generic over types or consts must be mangled
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extern "C" fn bar<T>() {} //~ ERROR functions generic over types or consts must be mangled
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#[no_mangle]
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fn baz(x: &i32) -> &i32 { x }
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#[no_mangle]
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fn qux<'a>(x: &'a i32) -> &i32 { x }
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}
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trait Trait2<T> {
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fn foo();
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fn foo2<U>();
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extern "C" fn bar();
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fn baz(x: &i32) -> &i32;
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fn qux<'a>(x: &'a i32) -> &i32;
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}
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impl<T> Trait2<T> for Foo {
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fn foo() {} //~ ERROR functions generic over types or consts must be mangled
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fn foo2<U>() {} //~ ERROR functions generic over types or consts must be mangled
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extern "C" fn bar() {} //~ ERROR functions generic over types or consts must be mangled
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fn baz(x: &i32) -> &i32 { x } //~ ERROR functions generic over types or consts must be mangled
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fn qux<'a>(x: &'a i32) -> &i32 { x } //~ ERROR functions generic over types or consts must be mangled
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}
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pub struct Bar<T>(#[allow(dead_code)] T);
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impl<T> Bar<T> {
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pub fn foo() {} //~ ERROR functions generic over types or consts must be mangled
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pub extern "C" fn bar() {} //~ ERROR functions generic over types or consts must be mangled
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pub fn baz<U>() {} //~ ERROR functions generic over types or consts must be mangled
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}
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impl Bar<i32> {
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#[no_mangle]
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pub fn qux() {}
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}
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trait Trait3 {
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fn foo();
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extern "C" fn bar();
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fn baz<U>();
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}
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impl<T> Trait3 for Bar<T> {
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fn foo() {} //~ ERROR functions generic over types or consts must be mangled
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extern "C" fn bar() {} //~ ERROR functions generic over types or consts must be mangled
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fn baz<U>() {} //~ ERROR functions generic over types or consts must be mangled
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}
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pub struct Baz<'a>(#[allow(dead_code)] &'a i32);
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impl<'a> Baz<'a> {
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#[no_mangle]
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pub fn foo() {}
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#[no_mangle]
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pub fn bar<'b>(x: &'b i32) -> &i32 { x }
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}
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trait Trait4 {
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fn foo();
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fn bar<'a>(x: &'a i32) -> &i32;
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}
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impl Trait4 for Bar<i32> {
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#[no_mangle]
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fn foo() {}
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#[no_mangle]
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fn bar<'b>(x: &'b i32) -> &i32 { x }
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}
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impl<'a> Trait4 for Baz<'a> {
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#[no_mangle]
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fn foo() {}
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#[no_mangle]
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fn bar<'b>(x: &'b i32) -> &i32 { x }
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}
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trait Trait5<T> {
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fn foo();
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}
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impl Trait5<i32> for Foo {
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#[no_mangle]
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fn foo() {}
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}
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impl Trait5<i32> for Bar<i32> {
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#[no_mangle]
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fn foo() {}
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}
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fn main() {}
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