From 36292d410b72ca7a5acbb111e104ff6cb40e11d5 Mon Sep 17 00:00:00 2001
From: Andrey Breslav <abreslav@abreslav-mac.labs.intellij.net>
Date: Thu, 17 Mar 2011 17:27:21 +0300
Subject: [PATCH] Numbers are hashable

---
 idea/src/jet/lang/Library.jet | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/idea/src/jet/lang/Library.jet b/idea/src/jet/lang/Library.jet
index cd799e98dfc..c45ba772091 100644
--- a/idea/src/jet/lang/Library.jet
+++ b/idea/src/jet/lang/Library.jet
@@ -9,8 +9,17 @@ virtual class Comparable<in T> {
   fun compareTo(other : T) : Int
 }
 
+virtual class Hashable {
+  fun hashCode() : Int
+  fun equals(other : Any?) : Boolean
+}
+
 class Boolean : Comparable<Boolean> {
   fun not() : Boolean
+
+  fun xor(other : Boolean) : Boolean
+
+  fun equals(other : Boolean?) : Boolean
 }
 
 class String : Comparable<String> {
@@ -37,7 +46,7 @@ class IntRange<T> : Range<T>, Iterable<T> {
 
 }
 
-class Number {
+class Number : Hashable {
   val dbl : Double
   val flt : Float
   val lng : Long
@@ -45,6 +54,14 @@ class Number {
   val chr : Char
   val sht : Short
   val byt : Byte
+
+//  fun equals(other : Double) : Boolean
+//  fun equals(other : Float) : Boolean
+//  fun equals(other : Long) : Boolean
+//  fun equals(other : Byte) : Boolean
+//  fun equals(other : Int) : Boolean
+//  fun equals(other : Short) : Boolean
+//  fun equals(other : Char) : Boolean
 }
 
 class Double : Number, Comparable<Double>  {