25 lines
781 B
Rust
25 lines
781 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![forbid(unnecessary_typecast)]
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fn foo_i32(_: i32) {}
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fn foo_u64(a: u64) {
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let b: i32 = a as i32;
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foo_i32(b as i32); //~ ERROR: unnecessary type cast
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}
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fn main() {
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let x: u64 = 1;
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let y: u64 = x as u64; //~ ERROR: unnecessary type cast
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foo_u64(y as u64); //~ ERROR: unnecessary type cast
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}
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