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.
12 #![warn(clippy::fn_to_numeric_cast, clippy::fn_to_numeric_cast_with_truncation)]
18 fn test_function_to_numeric_cast() {
32 // Casting to usize is OK and should not warn
35 // Cast `f` (a `FnDef`) to `fn()` should not warn
40 fn test_function_var_to_numeric_cast() {
41 let abc: fn() -> String = foo;
56 // Casting to usize is OK and should not warn
60 fn fn_with_fn_args(f: fn(i32) -> i32) -> i32 {