rust/tests/ui/nll/user-annotations/closure-substs.rs

32 lines
745 B
Rust

// Test that we enforce user-provided type annotations on closures.
fn foo<'a>() {
// Here `x` is free in the closure sig:
|x: &'a i32| -> &'static i32 {
return x; //~ ERROR lifetime may not live long enough
};
}
fn foo1() {
// Here `x` is bound in the closure sig:
|x: &i32| -> &'static i32 {
return x; //~ ERROR lifetime may not live long enough
};
}
fn bar<'a>() {
// Here `x` is free in the closure sig:
|x: &'a i32, b: fn(&'static i32)| {
b(x); //~ ERROR lifetime may not live long enough
};
}
fn bar1() {
// Here `x` is bound in the closure sig:
|x: &i32, b: fn(&'static i32)| {
b(x); //~ ERROR borrowed data escapes outside of closure
};
}
fn main() {}