69 lines
1.4 KiB
Rust
69 lines
1.4 KiB
Rust
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Some cases with closures that might be problems
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#![allow(unused)]
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#![feature(nll)]
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// Should have one error per assigment
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fn one_closure(x: i32) {
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||
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x = 1; //~ ERROR
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move ||
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x = 1; //~ ERROR
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}
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fn two_closures(x: i32) {
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|| {
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||
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x = 1; //~ ERROR
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};
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move || {
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||
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x = 1; //~ ERROR
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};
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}
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fn fn_ref<F: Fn()>(f: F) -> F { f }
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fn two_closures_ref_mut(mut x: i32) {
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fn_ref(|| {
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|| //~ ERROR
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x = 1;}
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);
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fn_ref(move || {
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|| //~ ERROR
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x = 1;});
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}
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// This still gives two messages, but it requires two things to be fixed.
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fn two_closures_ref(x: i32) {
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fn_ref(|| {
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|| //~ ERROR
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x = 1;} //~ ERROR
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);
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fn_ref(move || {
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|| //~ ERROR
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x = 1;}); //~ ERROR
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}
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fn two_closures_two_refs(x: &mut i32) {
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fn_ref(|| {
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|| //~ ERROR
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*x = 1;});
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fn_ref(move || {
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|| //~ ERROR
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*x = 1;});
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}
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fn main() {}
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