Macro lokacore::branchless_pow_of_2_or_zero

macro_rules! branchless_pow_of_2_or_zero {
    ($v:expr) => { ... };
}

If an unsigned value is a power of 2 (or is 0).

• branchless_pow_of_2_or_zero!(a)

Branchless, so you can use it in a const context.