Added NonEmptyList.hashCode(), Hash.bigintHash, Hash.bigdecimalHash

orionll · orionll · commit c2a126a53de9 · 2015-06-02T18:04:34.000+06:00
diff --git a/core/src/main/java/fj/Hash.java b/core/src/main/java/fj/Hash.java
@@ -11,6 +11,9 @@
 import fj.data.vector.V7;
 import fj.data.vector.V8;
 
+import java.math.BigDecimal;
+import java.math.BigInteger;
+
 /**
  * Produces a hash code for an object which should attempt uniqueness.
  *
@@ -102,6 +105,16 @@ public static <A> Hash<A> anyHash() {
    */
   public static final Hash<Short> shortHash = anyHash();
 
+  /**
+   * A hash instance for the <code>BigInteger</code> type.
+   */
+  public static final Hash<BigInteger> bigintHash = anyHash();
+
+  /**
+   * A hash instance for the <code>BigDecimal</code> type.
+   */
+  public static final Hash<BigDecimal> bigdecimalHash = anyHash();
+
   /**
    * A hash instance for the <code>String</code> type.
    */
diff --git a/core/src/main/java/fj/data/NonEmptyList.java b/core/src/main/java/fj/data/NonEmptyList.java
@@ -1,9 +1,6 @@
 package fj.data;
 
-import fj.Equal;
-import fj.F;
-import fj.F1Functions;
-import fj.Show;
+import fj.*;
 import fj.function.Effect1;
 
 import java.util.Collection;
@@ -226,5 +223,9 @@ public static <A> Option<NonEmptyList<A>> fromList(final List<A> as) {
     return Equal.equals0(NonEmptyList.class, this, obj, () -> Equal.nonEmptyListEqual(Equal.<A>anyEqual()));
   }
 
+  @Override public int hashCode() {
+    return Hash.nonEmptyListHash(Hash.<A>anyHash()).hash(this);
+  }
+
   @Override public String toString() { return Show.nonEmptyListShow(Show.<A>anyShow()).showS(this); }
 }
