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#![warn(clippy::manual_abs_diff)]
use std::time::Duration;
fn main() {
let a: usize = 5;
let b: usize = 3;
let c: usize = 8;
let d: usize = 11;
let _ = a.abs_diff(b);
//~^ manual_abs_diff
let _ = b.abs_diff(a);
//~^ manual_abs_diff
let _ = b.abs_diff(5);
//~^ manual_abs_diff
let _ = b.abs_diff(5);
//~^ manual_abs_diff
let _ = a.abs_diff(b);
//~^ manual_abs_diff
let _ = b.abs_diff(a);
//~^ manual_abs_diff
#[allow(arithmetic_overflow)]
{
let _ = if a > b { b - a } else { a - b };
let _ = if a < b { a - b } else { b - a };
}
let _ = (a + b).abs_diff(c + d);
let _ = (c + d).abs_diff(a + b);
const A: usize = 5;
const B: usize = 3;
// check const context
const _: usize = A.abs_diff(B);
//~^ manual_abs_diff
let a = Duration::from_secs(3);
let b = Duration::from_secs(5);
let _ = a.abs_diff(b);
//~^ manual_abs_diff
let a: i32 = 3;
let b: i32 = -5;
let _ = if a > b { a - b } else { b - a };
let _ = a.abs_diff(b);
//~^ manual_abs_diff
}
// FIXME: bunch of patterns that should be linted
fn fixme() {
let a: usize = 5;
let b: usize = 3;
let c: usize = 8;
let d: usize = 11;
{
let out;
if a > b {
out = a - b;
} else {
out = b - a;
}
}
{
let mut out = 0;
if a > b {
out = a - b;
} else if a < b {
out = b - a;
}
}
#[allow(clippy::implicit_saturating_sub)]
let _ = if a > b {
a - b
} else if a < b {
b - a
} else {
0
};
let a: i32 = 3;
let b: i32 = 5;
let _: u32 = if a > b { a - b } else { b - a } as u32;
}
fn non_primitive_ty() {
#[derive(Eq, PartialEq, PartialOrd)]
struct S(i32);
impl std::ops::Sub for S {
type Output = S;
fn sub(self, rhs: Self) -> Self::Output {
Self(self.0 - rhs.0)
}
}
let (a, b) = (S(10), S(20));
let _ = if a < b { b - a } else { a - b };
}
fn issue15254(a: &usize, b: &usize) -> usize {
b.abs_diff(*a)
}
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