left<A, B> function

Either<A, B> left<A, B>(
  1. A value
)

Wraps the given value in a Left, indicating the presence of a value of type A.

Example usage:

final either = left<int, String>(42);  // This will be Left(42)

Implementation

Either<A, B> left<A, B>(A value) {
  return Left<A, B>(value);
}