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https://github.com/rust-lang/rust
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72 lines
1.7 KiB
Rust
72 lines
1.7 KiB
Rust
//@ revisions: angle paren ok elision
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#![allow(dead_code)]
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#![feature(rustc_attrs)]
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#![feature(unboxed_closures)]
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trait Foo {
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type Item;
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}
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#[cfg(angle)]
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fn angle<T: for<'a> Foo<Item=&'a i32>>() {
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//[angle]~^ ERROR binding for associated type `Item` references lifetime `'a`
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}
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#[cfg(angle)]
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fn angle1<T>() where T: for<'a> Foo<Item=&'a i32> {
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//[angle]~^ ERROR binding for associated type `Item` references lifetime `'a`
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}
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#[cfg(angle)]
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fn angle2<T>() where for<'a> T: Foo<Item=&'a i32> {
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//[angle]~^ ERROR binding for associated type `Item` references lifetime `'a`
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}
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#[cfg(angle)]
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fn angle3(_: &dyn for<'a> Foo<Item=&'a i32>) {
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//[angle]~^ ERROR binding for associated type `Item` references lifetime `'a`
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}
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#[cfg(paren)]
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fn paren<T: for<'a> Fn() -> &'a i32>() {
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//[paren]~^ ERROR binding for associated type `Output` references lifetime `'a`
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}
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#[cfg(paren)]
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fn paren1<T>() where T: for<'a> Fn() -> &'a i32 {
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//[paren]~^ ERROR binding for associated type `Output` references lifetime `'a`
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}
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#[cfg(paren)]
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fn paren2<T>() where for<'a> T: Fn() -> &'a i32 {
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//[paren]~^ ERROR binding for associated type `Output` references lifetime `'a`
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}
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#[cfg(paren)]
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fn paren3(_: &dyn for<'a> Fn() -> &'a i32) {
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//[paren]~^ ERROR binding for associated type `Output` references lifetime `'a`
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}
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#[cfg(elision)]
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fn elision<T: Fn() -> &i32>() {
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//[elision]~^ ERROR E0106
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}
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struct Parameterized<'a> { x: &'a str }
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#[cfg(ok)]
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fn ok1<T: for<'a> Fn(&Parameterized<'a>) -> &'a i32>() {
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}
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#[cfg(ok)]
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fn ok2<T: for<'a,'b> Fn<(&'b Parameterized<'a>,), Output=&'a i32>>() {
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}
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#[cfg(ok)]
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fn ok3<T>() where for<'a> Parameterized<'a>: Foo<Item=&'a i32> {
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}
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#[rustc_error]
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fn main() { } //[ok]~ ERROR fatal error triggered by #[rustc_error]
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