manual-is-power-of-two

Prefer isPowerOfTwo over equivalent unsigned integer tests

Testing countOnes() === 1 or value !== 0 && (value & (value - 1)) === 0 manually checks whether an unsigned integer is a power of two.
Instead, you SHOULD call .isPowerOfTwo() on the integer.

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

Reported

function powerOfTwo(value: uint32): boolean {
    return value !== 0 && (value & (value - 1)) === 0;
}
Accepted

function powerOfTwo(value: uint32): boolean {
    return value.isPowerOfTwo();
}
Prior art

- Clippy · manualispoweroftwo

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