Add TailRec

gradle.properties

@@ -1,4 +1,4 @@
-version = 2.1.0
+version = 2.1.1
 lombokVersion=1.16.12
 joolVersion=0.9.12
 pCollectionsVersion=2.1.2

src/jmh/java/scrabble/IdenticalToStream.java

@@ -1,3 +1,4 @@
+//JMH Benchmarking test file : not part of distribution
 /*
  * Copyright (C) 2015 José Paumard
  *

src/jmh/java/scrabble/IterableSpliterator.java

@@ -1,3 +1,4 @@
+//JMH Benchmarking test file : not part of distribution
 /*
  * Copyright (C) 2015 José Paumard
  *

src/jmh/java/scrabble/IxScanLeftTakeRight.java

@@ -26,7 +26,7 @@
 
 
 import ix.*;
-
+//JMH Benchmarking test file : not part of distribution
 /**
  * Shakespeare plays Scrabble with Ix.
  * @author José

src/jmh/java/scrabble/NonParallelStreams.java

@@ -23,7 +23,7 @@
         import java.util.ArrayList;
         import java.util.List;
         import java.util.stream.Stream;
-
+//JMH Benchmarking test file : not part of distribution
 /**
  * Shakespeare plays Scrabble with Java Streams.
  * @author José

src/jmh/java/scrabble/ScanLeftTakeRight.java

@@ -27,7 +27,7 @@
 import java.util.function.Function;
 
 
-
+//JMH Benchmarking test file : not part of distribution
 /**
  * Shakespeare plays Scrabble with Ix optimized.
  * @author José

src/jmh/java/scrabble/ShakespearePlaysScrabble.java

@@ -1,3 +1,4 @@
+//JMH Benchmarking test file : not part of distribution
 /*
  * Copyright (C) 2015 José Paumard
  *

src/jmh/java/scrabble/ShakespearePlaysScrabbleWithStreams.java

@@ -40,7 +40,7 @@
 import org.openjdk.jmh.annotations.Mode;
 import org.openjdk.jmh.annotations.OutputTimeUnit;
 import org.openjdk.jmh.annotations.Warmup;
-
+//JMH Benchmarking test file : not part of distribution
 /**
  * Shakespeare plays Scrabble with Streams.
  * @author José

src/jmh/java/scrabble/Util.java

@@ -1,3 +1,4 @@
+//JMH Benchmarking test file : not part of distribution
 /*
  * Copyright (C) 2015 José Paumard
  *

src/main/java/cyclops/control/ReaderWriterState.java

@@ -2,6 +2,7 @@
 
 import com.aol.cyclops2.hkt.Higher;
 import com.aol.cyclops2.hkt.Higher4;
+import cyclops.async.Future;
 import cyclops.collections.immutable.LinkedListX;
 import cyclops.monads.Witness;
 import cyclops.monads.Witness.rws;
@@ -37,6 +38,11 @@ public Tuple3<W,S,T> run(R r,S s) {
         return Fn0.run(runState.apply(r,s));
     }
 
+    public static <T,R1, W, S, R> ReaderWriterState<R1, W, S, R> tailRec(Monoid<W> monoid,T initial, Function<? super T, ? extends  ReaderWriterState<R1, W, S,  ? extends Xor<T, R>>> fn) {
+        Higher<Higher<Higher<Higher<rws, R1>, W>, S>, R> x = Instances.<R1,W,S> monadRec(monoid).tailRec(initial, fn);
+        return narrowK(x);
+    }
+
     public  ReaderWriterState<R,W,S,T> tell(W value) {
         BiFunction<? super R, ? super S, Free<supplier,Tuple3<W,S, T>>> fn =
                 (r,s)->runState.apply(r,s).map(t3-> tuple(monoid.apply(t3.v1,value),t3.v2,t3.v3));

src/main/java/cyclops/control/State.java

@@ -206,6 +206,10 @@ public <R1, R4> State<S,R4> forEach2(Function<? super T, State<S,R1>> value2,
         });
 
     }
+    public static <S,T,R> State<S, R> tailRec(T initial, Function<? super T, ? extends  State<S,  ? extends Xor<T, R>>> fn) {
+        return narrowK( State.Instances.<S> monadRec().tailRec(initial, fn));
+
+    }
 
 
     public static <S, T> State<S, T> state(Function<? super S,? extends Tuple2<S, T>> runF) {