rust/tests/ui/dlist.rs
2018-10-06 09:43:08 -07:00

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// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.
#![feature(tool_lints)]
#![feature(alloc)]
#![feature(associated_type_defaults)]
#![warn(clippy::linkedlist)]
#![allow(dead_code, clippy::needless_pass_by_value)]
extern crate alloc;
use alloc::collections::linked_list::LinkedList;
trait Foo {
type Baz = LinkedList<u8>;
fn foo(LinkedList<u8>);
const BAR : Option<LinkedList<u8>>;
}
// ok, we dont want to warn for implementations, see #605
impl Foo for LinkedList<u8> {
fn foo(_: LinkedList<u8>) {}
const BAR : Option<LinkedList<u8>> = None;
}
struct Bar;
impl Bar {
fn foo(_: LinkedList<u8>) {}
}
pub fn test(my_favourite_linked_list: LinkedList<u8>) {
println!("{:?}", my_favourite_linked_list)
}
pub fn test_ret() -> Option<LinkedList<u8>> {
unimplemented!();
}
pub fn test_local_not_linted() {
let _: LinkedList<u8>;
}
fn main(){
test(LinkedList::new());
test_local_not_linted();
}