public Function<T, T1> get1() {
        return getAndCast(1);
    }
Constructs a {@link TupleMapper } that can create {@link Tuple2 }.

@param m0 mapper to apply for element 0
@param m1 mapper to apply for element 1
common-parent/tuple/src/main/java/com/speedment/common/tuple/internal/nonnullable/mapper/Tuple2MapperImpl.java