Trait subtle::IsNonZero

pub trait IsNonZero {
    fn is_nonzero(&self) -> Mask;
}

Trait for testing if something is non-zero in constant time.

Required Methods

fn is_nonzero(&self) -> Mask

Test if self is non-zero in constant time.

TODO

• Implement IsNonZero for builtin types.
• Rewrite byte_is_nonzero() to use IsNonZero.

Returns

• If self != 0, returns 1.
• If self == 0, returns 0.

Implementors