Writes self into writer as little-endian bytes.
Returns self as a byte array in little-endian order.
impl<P> ToBytes for Projective<P> where
    P: ShortWeierstrassParameters, 
impl<P> ToBytes for G1Prepared<P> where
    P: Bls12Parameters, 
impl<P> ToBytes for G2Prepared<P> where
    P: Bls12Parameters, 
impl<P> ToBytes for Affine<P> where
    P: ShortWeierstrassParameters, 
impl<P> ToBytes for Fp256<P> where
    P: Fp256Parameters, 
impl<P> ToBytes for Fp6<P> where
    P: Fp6Parameters, 
impl<P> ToBytes for Fp12<P> where
    P: Fp12Parameters, 
impl<P> ToBytes for Fp384<P> where
    P: Fp384Parameters, 
impl<P> ToBytes for Fp2<P> where
    P: Fp2Parameters,