manual-euclidean-remainder

Prefer remainderEuclidean over its manual double-remainder form

Applying remainder twice around an added positive divisor manually normalizes a negative remainder.
Instead, you SHOULD call .remainderEuclidean() on the dividend.

- Category: style
- Level: warning
- Fix: automatic
- Scope: module

Reported

function wrap(value: int32): int32 {
    return ((value % 4) + 4) % 4;
}
Accepted

function wrap(value: int32): int32 {
    return value.remainderEuclidean(4);
}
Prior art

- Clippy · manualremeuclid

language/linter/src/rules/style/manualeuclideanremainder.rs:8