-#![feature(tool_lints)]
+// 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.
//! This test case utilizes `f64` an easy example for `PartialOrd` only types
//! but the lint itself actually validates any expression where the left
#[warn(clippy::neg_cmp_op_on_partial_ord)]
fn main() {
-
let a_value = 1.0;
let another_value = 7.0;
// --- Bad ---
-
// Not Less but potentially Greater, Equal or Uncomparable.
let _not_less = !(a_value < another_value);
-
+
// Not Less or Equal but potentially Greater or Uncomparable.
let _not_less_or_equal = !(a_value <= another_value);
// Not Greater or Equal but potentially Less or Uncomparable.
let _not_greater_or_equal = !(a_value >= another_value);
-
// --- Good ---
-
let _not_less = match a_value.partial_cmp(&another_value) {
- None | Some(Ordering::Greater) | Some(Ordering::Equal) => true,
+ None | Some(Ordering::Greater) | Some(Ordering::Equal) => true,
_ => false,
};
let _not_less_or_equal = match a_value.partial_cmp(&another_value) {
_ => false,
};
-
// --- Should not trigger ---
-
let _ = a_value < another_value;
let _ = a_value <= another_value;
let _ = a_value > another_value;