double-comparisons

Prefer one comparison over an equivalent pair of comparisons

Two comparisons that repeat identical operand computations can encode the same relation as one comparison.
Instead, you SHOULD use the equivalent single operator.

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

Reported

function atMost(left: int32, right: int32): boolean {
    return left < right || left === right;
}
Accepted

function atMost(left: int32, right: int32): boolean {
    return left <= right;
}
Prior art

- Clippy · doublecomparisons

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