mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-21 07:01:54 +00:00
67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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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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#![warn(clippy::absurd_extreme_comparisons)]
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#![allow(unused, clippy::eq_op, clippy::no_effect, clippy::unnecessary_operation, clippy::needless_pass_by_value)]
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fn main() {
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const Z: u32 = 0;
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let u: u32 = 42;
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u <= 0;
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u <= Z;
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u < Z;
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Z >= u;
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Z > u;
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u > std::u32::MAX;
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u >= std::u32::MAX;
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std::u32::MAX < u;
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std::u32::MAX <= u;
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1-1 > u;
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u >= !0;
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u <= 12 - 2*6;
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let i: i8 = 0;
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i < -127 - 1;
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std::i8::MAX >= i;
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3-7 < std::i32::MIN;
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let b = false;
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b >= true;
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false > b;
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u > 0; // ok
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// this is handled by clippy::unit_cmp
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() < {};
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}
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use std::cmp::{Ordering, PartialEq, PartialOrd};
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#[derive(PartialEq, PartialOrd)]
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pub struct U(u64);
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impl PartialEq<u32> for U {
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fn eq(&self, other: &u32) -> bool {
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self.eq(&U(u64::from(*other)))
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}
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}
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impl PartialOrd<u32> for U {
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fn partial_cmp(&self, other: &u32) -> Option<Ordering> {
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self.partial_cmp(&U(u64::from(*other)))
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}
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}
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pub fn foo(val: U) -> bool {
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val > std::u32::MAX
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}
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pub fn bar(len: u64) -> bool {
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// This is OK as we are casting from target sized to fixed size
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len >= std::usize::MAX as u64
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}
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