rust/src/test/compile-fail/regions-infer-proc-static-upvar.rs

35 lines
950 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Test that, when a variable of type `&T` is captured inside a proc,
// we correctly infer/require that its lifetime is 'static.
fn foo<F:FnOnce()+'static>(_p: F) { }
static i: int = 3;
fn capture_local() {
let x = 3i;
let y = &x; //~ ERROR `x` does not live long enough
foo(move|| {
let _a = *y;
});
}
fn capture_static() {
// Legal because &i can have static lifetime:
let y = &i;
foo(move|| {
let _a = *y;
});
}
fn main() { }