zero method

@override Tuple4<T1, T2, T3, T4> zero()

Implementation

@override Tuple4<T1, T2, T3, T4> zero() => new Tuple4<T1, T2, T3, T4>(_value1Monoid.zero(), _value2Monoid.zero(), _value3Monoid.zero(), _value4Monoid.zero());