29 lines
915 B
Rust
29 lines
915 B
Rust
// Copyright 2014 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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#![feature(overloaded_calls, unboxed_closures)]
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fn a<F:Fn(isize, isize) -> isize>(mut f: F) {
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let g = &mut f;
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f(1, 2); //~ ERROR cannot borrow `f` as immutable
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//~^ ERROR cannot borrow `f` as immutable
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}
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fn b<F:FnMut(isize, isize) -> isize>(f: F) {
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f(1, 2); //~ ERROR cannot borrow immutable argument
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}
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fn c<F:FnOnce(isize, isize) -> isize>(f: F) {
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f(1, 2);
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f(1, 2); //~ ERROR use of moved value
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}
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fn main() {}
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