diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/data/IPair.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/data/IPair.java | 106 |
1 files changed, 45 insertions, 61 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java b/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java index c82cc8e..1405d75 100644 --- a/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java +++ b/BJC-Utils2/src/main/java/bjc/utils/data/IPair.java @@ -11,35 +11,33 @@ import bjc.utils.funcdata.theory.Bifunctor; * * @author ben * @param <LeftType> - * The type of the left side of the pair + * The type of the left side of the pair * @param <RightType> - * The type of the right side of the pair + * The type of the right side of the pair * */ -public interface IPair<LeftType, RightType> - extends Bifunctor<LeftType, RightType> { +public interface IPair<LeftType, RightType> extends Bifunctor<LeftType, RightType> { /** * Bind a function across the values in this pair * * @param <BoundLeft> - * The type of the bound left + * The type of the bound left * @param <BoundRight> - * The type of the bound right + * The type of the bound right * @param binder - * The function to bind with + * The function to bind with * @return The bound pair */ public <BoundLeft, BoundRight> IPair<BoundLeft, BoundRight> bind( - BiFunction<LeftType, RightType, - IPair<BoundLeft, BoundRight>> binder); + BiFunction<LeftType, RightType, IPair<BoundLeft, BoundRight>> binder); /** * Bind a function to the left value in this pair * * @param <BoundLeft> - * The type of the bound value + * The type of the bound value * @param leftBinder - * The function to use to bind + * The function to use to bind * @return A pair with the left type bound */ public <BoundLeft> IPair<BoundLeft, RightType> bindLeft( @@ -49,9 +47,9 @@ public interface IPair<LeftType, RightType> * Bind a function to the right value in this pair * * @param <BoundRight> - * The type of the bound value + * The type of the bound value * @param rightBinder - * The function to use to bind + * The function to use to bind * @return A pair with the right type bound */ public <BoundRight> IPair<LeftType, BoundRight> bindRight( @@ -61,19 +59,16 @@ public interface IPair<LeftType, RightType> * Pairwise combine two pairs together * * @param <OtherLeft> - * The left type of the other pair + * The left type of the other pair * @param <OtherRight> - * The right type of the other pair + * The right type of the other pair * @param otherPair - * The pair to combine with + * The pair to combine with * @return The pairs, pairwise combined together */ - public default <OtherLeft, - OtherRight> IPair<IPair<LeftType, OtherLeft>, - IPair<RightType, OtherRight>> combine( - IPair<OtherLeft, OtherRight> otherPair) { - return combine(otherPair, - (left, otherLeft) -> new Pair<>(left, otherLeft), + public default <OtherLeft, OtherRight> IPair<IPair<LeftType, OtherLeft>, IPair<RightType, OtherRight>> combine( + IPair<OtherLeft, OtherRight> otherPair) { + return combine(otherPair, (left, otherLeft) -> new Pair<>(left, otherLeft), (right, otherRight) -> new Pair<>(right, otherRight)); } @@ -81,33 +76,30 @@ public interface IPair<LeftType, RightType> * Combine the contents of two pairs together * * @param <OtherLeft> - * The type of the left value of the other pair + * The type of the left value of the other pair * @param <OtherRight> - * The type of the right value of the other pair + * The type of the right value of the other pair * @param <CombinedLeft> - * The type of the left value of the combined pair + * The type of the left value of the combined pair * @param <CombinedRight> - * The type of the right value of the combined pair + * The type of the right value of the combined pair * @param otherPair - * The other pair to combine with + * The other pair to combine with * @param leftCombiner * @param rightCombiner * @return A pair with its values combined */ - public <OtherLeft, OtherRight, CombinedLeft, - CombinedRight> IPair<CombinedLeft, CombinedRight> combine( - IPair<OtherLeft, OtherRight> otherPair, - BiFunction<LeftType, OtherLeft, - CombinedLeft> leftCombiner, - BiFunction<RightType, OtherRight, - CombinedRight> rightCombiner); + public <OtherLeft, OtherRight, CombinedLeft, CombinedRight> IPair<CombinedLeft, CombinedRight> combine( + IPair<OtherLeft, OtherRight> otherPair, + BiFunction<LeftType, OtherLeft, CombinedLeft> leftCombiner, + BiFunction<RightType, OtherRight, CombinedRight> rightCombiner); /** * Immediately perfom the specified action with the contents of this * pair * * @param consumer - * The action to perform on the pair + * The action to perform on the pair */ public default void doWith(BiConsumer<LeftType, RightType> consumer) { merge((leftValue, rightValue) -> { @@ -118,26 +110,22 @@ public interface IPair<LeftType, RightType> } @Override - default <OldLeft, OldRight, - NewLeft> Function<Bifunctor<OldLeft, OldRight>, - Bifunctor<NewLeft, OldRight>> fmapLeft( - Function<OldLeft, NewLeft> func) { + default <OldLeft, OldRight, NewLeft> Function<Bifunctor<OldLeft, OldRight>, Bifunctor<NewLeft, OldRight>> fmapLeft( + Function<OldLeft, NewLeft> func) { return (argumentPair) -> { if (!(argumentPair instanceof IPair<?, ?>)) { throw new IllegalArgumentException( "This function can only be applied to instances of IPair"); } - IPair<OldLeft, OldRight> argPair = (IPair<OldLeft, - OldRight>) argumentPair; + IPair<OldLeft, OldRight> argPair = (IPair<OldLeft, OldRight>) argumentPair; return argPair.mapLeft(func); }; } @Override - default <OldLeft, OldRight, NewRight> Function< - Bifunctor<OldLeft, OldRight>, Bifunctor<OldLeft, NewRight>> + default <OldLeft, OldRight, NewRight> Function<Bifunctor<OldLeft, OldRight>, Bifunctor<OldLeft, NewRight>> fmapRight(Function<OldRight, NewRight> func) { return (argumentPair) -> { @@ -146,8 +134,7 @@ public interface IPair<LeftType, RightType> "This function can only be applied to instances of IPair"); } - IPair<OldLeft, OldRight> argPair = (IPair<OldLeft, - OldRight>) argumentPair; + IPair<OldLeft, OldRight> argPair = (IPair<OldLeft, OldRight>) argumentPair; return argPair.mapRight(func); }; @@ -178,38 +165,35 @@ public interface IPair<LeftType, RightType> * pair * * @param <NewLeft> - * The new type of the left part of the pair + * The new type of the left part of the pair * @param mapper - * The function to use to transform the left part of the - * pair + * The function to use to transform the left part of the + * pair * @return The pair, with its left part transformed */ - public <NewLeft> IPair<NewLeft, RightType> mapLeft( - Function<LeftType, NewLeft> mapper); + public <NewLeft> IPair<NewLeft, RightType> mapLeft(Function<LeftType, NewLeft> mapper); /** - * Transform the value on the right side of the pair. Doesn't modify - * the pair + * Transform the value on the right side of the pair. Doesn't modify the + * pair * * @param <NewRight> - * The new type of the right part of the pair + * The new type of the right part of the pair * @param mapper - * The function to use to transform the right part of the - * pair + * The function to use to transform the right part of the + * pair * @return The pair, with its right part transformed */ - public <NewRight> IPair<LeftType, NewRight> mapRight( - Function<RightType, NewRight> mapper); + public <NewRight> IPair<LeftType, NewRight> mapRight(Function<RightType, NewRight> mapper); /** * Merge the two values in this pair into a single value * * @param <MergedType> - * The type of the single value + * The type of the single value * @param merger - * The function to use for merging + * The function to use for merging * @return The pair, merged into a single value */ - public <MergedType> MergedType merge( - BiFunction<LeftType, RightType, MergedType> merger); + public <MergedType> MergedType merge(BiFunction<LeftType, RightType, MergedType> merger); } |
