copyWith method
Creates a deep copy of this object and replaces (if non-null) the given values with the old ones.
Implementation
Cubic copyWith({
Complex? a,
Complex? b,
Complex? c,
Complex? d,
}) =>
Cubic(
a: a ?? this.a,
b: b ?? this.b,
c: c ?? this.c,
d: d ?? this.d,
);