| // 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. |
| |
| // issue #21405 |
| |
| struct Foo; |
| |
| fn foo<F>(f: F) where F: FnMut(Foo) {} |
| |
| fn main() { |
| foo(|s| s.is_empty()); |
| //~^ ERROR no method named `is_empty` found |
| //~^^ HELP #1: `core::slice::SliceExt` |
| //~^^^ HELP #2: `core::str::StrExt` |
| } |
