rust/src/test/compile-fail/mut-suggestion.rs
2016-05-12 16:48:59 -07:00

33 lines
862 B
Rust

// Copyright 2015 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.
#[derive(Copy, Clone)]
struct S;
impl S {
fn mutate(&mut self) {
}
}
fn func(arg: S) {
//~^ here to make mutable
arg.mutate();
//~^ ERROR cannot borrow immutable argument
//~| cannot borrow mutably
}
fn main() {
let local = S;
//~^ here to make mutable
local.mutate();
//~^ ERROR cannot borrow immutable local variable
//~| cannot borrow mutably
}