WeakMap/WeakPointer added

Bradley Meck · Bradley Meck · commit 8fa71961faa4 · 2010-08-05T14:46:00.000-05:00
diff --git a/lib/weakmap.js b/lib/weakmap.js
@@ -0,0 +1 @@
+module.exports = require("./overload").EphemeronTable
diff --git a/lib/weakpointer.js b/lib/weakpointer.js
@@ -0,0 +1,23 @@
+var EphemeronTable = require("./overload")
+var OnCollect = EphemeronTable.OnCollect
+EphemeronTable = EphemeronTable.EphemeronTable
+
+module.exports = WeakPointer(target) {
+	var eph_table = new EphemeronTable()
+	eph_table.set(target,null)
+	var executors = []
+	var alive = true
+	this.get = function() {
+		return alive?eph_table.keys()[0]:undefined
+	}
+	this.register = function(executor) {
+		if(alive) executors.push(executor)
+		return executor
+	}
+	OnCollect(target,function collector() {
+		alive=false
+		executors.forEach(function(executor){
+			setTimeout(executor,0)
+		} )
+	} )
+}

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module.exports = require("./overload").EphemeronTable`