added filter/map/reduce to Set -- odd that I did not notice they were missing untill now...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

Set.js

@@ -8,11 +8,29 @@
 /*********************************************************************/
 
 var object = require('ig-object')
+var stoppable = require('ig-stoppable')
 
 
 
 /*********************************************************************/
 
+// Wrap .map(..) / .filter(..) / .reduce(..) / .. to support STOP...
+// 
+// NOTE: internally these are implemented as for-of loops (./generator.js)
+var stoppableSet = function(iter){
+	return function(func){
+		return new Set([...this][iter](...arguments)) } }
+var stoppableValue = function(iter, no_return=false){
+	return function(func){
+		var res = [...this][iter](...arguments) 
+		return no_return ?
+			undefined
+			: res } }
+
+
+
+//---------------------------------------------------------------------
+
 var SetProtoMixin =
 module.SetProtoMixin =
 object.Mixin('SetMixin', 'soft', {
@@ -110,6 +128,12 @@ object.Mixin('SetMixin', 'soft', {
 		this.sort(order) 
 
 		return removed },
+
+	filter: stoppableSet('filter'),
+	map: stoppableSet('map'),
+	reduce: stoppableValue('reduce'),
+	reduceRight: stoppableValue('reduceRight'),
+	forEach: stoppableValue('map', true),
 })
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ig-types",
-  "version": "6.18.0",
+  "version": "6.19.0",
   "description": "Generic JavaScript types and type extensions...",
   "main": "main.js",
   "scripts": {