1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution.
4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
7 // option. This file may not be copied, modified, or distributed
8 // except according to those terms.
13 clippy::redundant_closure_call,
14 clippy::many_single_char_names,
15 clippy::needless_pass_by_value,
16 clippy::option_map_unit_fn,
17 clippy::trivially_copy_pass_by_ref
19 #![warn(clippy::redundant_closure, clippy::needless_borrow)]
22 let a = Some(1u8).map(|a| foo(a));
24 let c = Some(1u8).map(|a| {1+2; foo}(a));
25 let d = Some(1u8).map(|a| foo((|b| foo2(b))(a))); //is adjusted?
26 all(&[1, 2, 3], &&2, |x, y| below(x, y)); //is adjusted
28 Some(1u8).map(|a| unsafe_fn(a)); // unsafe fn
32 let e = Some(1u8).map(|a| divergent(a));
33 let e = Some(1u8).map(|a| generic(a));
34 let e = Some(1u8).map(generic);
36 let a: Option<Box<::std::ops::Deref<Target = [i32]>>> =
37 Some(vec![1i32, 2]).map(|v| -> Box<::std::ops::Deref<Target = [i32]>> { Box::new(v) });
49 fn foo2(_: u8) -> u8 {
53 fn all<X, F>(x: &[X], y: &X, f: F) -> bool
55 F: Fn(&X, &X) -> bool,
57 x.iter().all(|e| f(e, y))
60 fn below(x: &u8, y: &u8) -> bool {
64 unsafe fn unsafe_fn(_: u8) {}
66 fn divergent(_: u8) -> ! {
70 fn generic<T>(_: T) -> u8 {