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[rustc.git] / src / test / compile-fail / method-suggestion-no-duplication.rs
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1a4d82fc 1// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
85aaf69f 11// issue #21405
54a0048b 12// ignore-tidy-linelength
223e47cc 13
85aaf69f 14struct Foo;
223e47cc 15
85aaf69f 16fn foo<F>(f: F) where F: FnMut(Foo) {}
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17
18fn main() {
85aaf69f 19 foo(|s| s.is_empty());
d9579d0f 20 //~^ ERROR no method named `is_empty` found
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21 //~^^ HELP #1: `core::slice::SliceExt`
22 //~^^^ HELP #2: `core::str::StrExt`
54a0048b 23 //~^^^^ HELP items from traits can only be used if the trait is implemented and in scope; the following traits define an item `is_empty`, perhaps you need to implement one of them:
223e47cc 24}