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package bjc.utils.data;
import java.util.function.BiConsumer;
import java.util.function.BiFunction;
import java.util.function.Function;
public interface IPair<L, R> {
/**
* Create a new pair by applying the given functions to the left/right.
* Does not change the internal contents of this pair.
*
* @param lf
* The function to apply to the left value.
* @param rf
* The function to apply to the right value.
* @return A new pair containing the two modified values.
*/
<L2, R2> IPair<L2, R2> apply(Function<L, L2> lf, Function<R, R2> rf);
/**
* Collapse this pair to a single value. Does not change the internal
* contents of this pair.
*
* @param bf
* The function to use to collapse the pair.
* @return The collapsed value.
*/
<E> E merge(BiFunction<L, R, E> bf);
void doWith(BiConsumer<L, R> bc);
}
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