combine4<L, R1, R2, R3, R4> static method
Implementation
static Either<L, (R1, R2, R3, R4)> combine4<L, R1, R2, R3, R4>(
Either<L, R1> first,
Either<L, R2> second,
Either<L, R3> third,
Either<L, R4> fourth,
) =>
combine3(first, second, third).combine(fourth).map(
(p) => (
p.$1.$1,
p.$1.$2,
p.$1.$3,
p.$2,
),
);