Merge pull request #252 from fakraemer/master

jbgi · jbgi · commit cbeec83c7674 · 2016-05-23T14:59:20.000+02:00
Fix #253: IOW.bind should not run the IO eagerly
diff --git a/core/src/main/java/fj/data/IOW.java b/core/src/main/java/fj/data/IOW.java
@@ -25,20 +25,11 @@ public A run() throws IOException {
         return io.run();
     }
 
-    public <B> IOW<B> map(F<A, B> f) {
-        return lift(() -> f.f(io.run()));
-    }
+    public <B> IOW<B> map(F<A, B> f) { return lift(IOFunctions.map(io, f)); }
 
-    public <B> IOW<B> bind(F<A, IO<B>> f) throws IOException {
-        return lift(f.f(io.run()));
-    }
+    public <B> IOW<B> bind(F<A, IO<B>> f) { return lift(IOFunctions.bind(io, f)); }
 
-    public <B> IOW<B> append(IO<B> iob) {
-        return lift(() -> {
-            io.run();
-            return iob.run();
-        });
-    }
+    public <B> IOW<B> append(IO<B> iob) { return lift(IOFunctions.append(io, iob)); }
 
     public IOW<LazyString> getContents() {
         return lift(() -> IOFunctions.getContents().run());
