Union4Methods<A, B, C, D> extension

The methods on Union3.

on

• Union4<A, B, C, D>

Methods

join<T>(T first(A value), T second(B value), T third(C value), T forth(D value)) → T

Transform all the potential types that value can take into a single unique type.

map<A2, B2, C2, D2>(A2 first(A value), B2 second(B value), C2 third(C value), D2 forth(D value)) → Union4<A2, B2, C2, D2>

Transforms a union into another union of potentially different types.

switchCase(void first(A value)?, void second(B value)?, void third(C value)?, void forth(D value)?) → void

Allow executing custom logic based on the value type in a type safe way.