From c82e3b3b2de0633317ec8fc85925e91422820597 Mon Sep 17 00:00:00 2001 From: "Benjamin J. Culkin" Date: Sun, 8 Oct 2017 22:39:59 -0300 Subject: Start splitting into maven modules --- BJC-Utils2/src/main/java/bjc/utils/data/IPair.java | 200 --------------------- 1 file changed, 200 deletions(-) delete mode 100644 BJC-Utils2/src/main/java/bjc/utils/data/IPair.java (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/IPair.java') diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java deleted file mode 100644 index db8a1cb..0000000 --- a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java +++ /dev/null @@ -1,200 +0,0 @@ -package bjc.utils.data; - -import java.util.function.BiConsumer; -import java.util.function.BiFunction; -import java.util.function.Function; - -import bjc.utils.funcdata.theory.Bifunctor; - -/** - * Represents a pair of values - * - * @author ben - * @param - * The type of the left side of the pair - * @param - * The type of the right side of the pair - * - */ -public interface IPair extends Bifunctor { - /** - * Bind a function across the values in this pair - * - * @param - * The type of the bound left - * @param - * The type of the bound right - * @param binder - * The function to bind with - * @return The bound pair - */ - public IPair bind( - BiFunction> binder); - - /** - * Bind a function to the left value in this pair - * - * @param - * The type of the bound value - * @param leftBinder - * The function to use to bind - * @return A pair with the left type bound - */ - public IPair bindLeft( - Function> leftBinder); - - /** - * Bind a function to the right value in this pair - * - * @param - * The type of the bound value - * @param rightBinder - * The function to use to bind - * @return A pair with the right type bound - */ - public IPair bindRight( - Function> rightBinder); - - /** - * Pairwise combine two pairs together - * - * @param - * The left type of the other pair - * @param - * The right type of the other pair - * @param otherPair - * The pair to combine with - * @return The pairs, pairwise combined together - */ - public default IPair, IPair> combine( - final IPair otherPair) { - return combine(otherPair, Pair::new, Pair::new); - } - - /** - * Combine the contents of two pairs together - * - * @param - * The type of the left value of the other pair - * @param - * The type of the right value of the other pair - * @param - * The type of the left value of the combined pair - * @param - * The type of the right value of the combined pair - * @param otherPair - * The other pair to combine with - * @param leftCombiner - * @param rightCombiner - * @return A pair with its values combined - */ - public IPair combine( - IPair otherPair, - BiFunction leftCombiner, - BiFunction rightCombiner); - - /** - * Immediately perfom the specified action with the contents of this - * pair - * - * @param consumer - * The action to perform on the pair - */ - public default void doWith(final BiConsumer consumer) { - merge((leftValue, rightValue) -> { - consumer.accept(leftValue, rightValue); - - return null; - }); - } - - @Override - default LeftBifunctorMap fmapLeft( - final Function func) { - return argumentPair -> { - if (!(argumentPair instanceof IPair)) { - final String msg = "This function can only be applied to instances of IPair"; - - throw new IllegalArgumentException(msg); - } - - final IPair argPair = (IPair) argumentPair; - - return argPair.mapLeft(func); - }; - } - - @Override - default RightBifunctorMap - - fmapRight(final Function func) { - return argumentPair -> { - if (!(argumentPair instanceof IPair)) { - final String msg = "This function can only be applied to instances of IPair"; - - throw new IllegalArgumentException(msg); - } - - final IPair argPair = (IPair) argumentPair; - - return argPair.mapRight(func); - }; - } - - /** - * Get the value on the left side of the pair - * - * @return The value on the left side of the pair - */ - @Override - public default LeftType getLeft() { - return merge((leftValue, rightValue) -> leftValue); - } - - /** - * Get the value on the right side of the pair - * - * @return The value on the right side of the pair - */ - @Override - public default RightType getRight() { - return merge((leftValue, rightValue) -> rightValue); - } - - /** - * Transform the value on the left side of the pair. Doesn't modify the - * pair - * - * @param - * The new type of the left part of the pair - * @param mapper - * The function to use to transform the left part of the - * pair - * @return The pair, with its left part transformed - */ - public IPair mapLeft(Function mapper); - - /** - * Transform the value on the right side of the pair. Doesn't modify the - * pair - * - * @param - * The new type of the right part of the pair - * @param mapper - * The function to use to transform the right part of the - * pair - * @return The pair, with its right part transformed - */ - public IPair mapRight(Function mapper); - - /** - * Merge the two values in this pair into a single value - * - * @param - * The type of the single value - * @param merger - * The function to use for merging - * @return The pair, merged into a single value - */ - public MergedType merge(BiFunction merger); -} -- cgit v1.2.3