avoid andThen indirection in F1 map and contramap

jbgi · jbgi · commit d1f24b360964 · 2016-06-19T16:20:45.000+02:00
diff --git a/core/src/main/java/fj/F1Functions.java b/core/src/main/java/fj/F1Functions.java
@@ -670,11 +670,11 @@ public static <A, B> ArrayList<B> mapJ(final F<A, B> f, final ArrayList<A> as) {
     }
 
     public static <A, B, C> F<A, C> map(F<A, B> target, F<B, C> f) {
-        return andThen(target, f);
+        return o(f, target);
     }
 
     public static <A, B, C> F<C, B> contramap(F<A, B> target, F<C, A> f) {
-        return andThen(f, target);
+        return o(target, f);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -670,11 +670,11 @@ public static <A, B> ArrayList<B> mapJ(final F<A, B> f, final ArrayList<A> as) {`
`670`	`670`	`}`
`671`	`671`
`672`	`672`	`public static <A, B, C> F<A, C> map(F<A, B> target, F<B, C> f) {`
`673`		`- return andThen(target, f);`
	`673`	`+ return o(f, target);`
`674`	`674`	`}`
`675`	`675`
`676`	`676`	`public static <A, B, C> F<C, B> contramap(F<A, B> target, F<C, A> f) {`
`677`		`- return andThen(f, target);`
	`677`	`+ return o(target, f);`
`678`	`678`	`}`
`679`	`679`
`680`	`680`	`/**`