Method from_value

perfect/src/util.rs:465–468

(value: usize)

pub struct Align(pub usize);
impl Align {
    pub const fn from_value(value: usize) -> Self {
        assert!(value.is_power_of_two());
        Self(value)
    }
    pub const fn from_bit(bit: usize) -> Self { 
        assert!(bit <= 63);
        Self(1 << bit)