]> git.pond.sub.org Git - eow/blobdiff - static/dojo-release-1.1.1/dojox/lang/functional/sequence.js
add Dojo 1.1.1
[eow] / static / dojo-release-1.1.1 / dojox / lang / functional / sequence.js
diff --git a/static/dojo-release-1.1.1/dojox/lang/functional/sequence.js b/static/dojo-release-1.1.1/dojox/lang/functional/sequence.js
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+if(!dojo._hasResource["dojox.lang.functional.sequence"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.lang.functional.sequence"] = true;
+dojo.provide("dojox.lang.functional.sequence");
+
+dojo.require("dojox.lang.functional.lambda");
+
+// This module adds high-level functions and related constructs:
+//     - sequence generators
+
+// Defined methods:
+//     - take any valid lambda argument as the functional argument
+
+(function(){
+       var d = dojo, df = dojox.lang.functional;
+
+       d.mixin(df, {
+               // sequence generators
+               repeat: function(/*Number*/ n, /*Function|String|Array*/ f, /*Object*/ z, /*Object?*/ o){
+                       // summary: builds an array by repeatedly applying a unary function N times 
+                       //      with a seed value Z.
+                       o = o || d.global; f = df.lambda(f);
+                       var t = new Array(n);
+                       t[0] = z;
+                       for(var i = 1; i < n; t[i] = z = f.call(o, z), ++i);
+                       return t;       // Array
+               },
+               until: function(/*Function|String|Array*/ pr, /*Function|String|Array*/ f, /*Object*/ z, /*Object?*/ o){
+                       // summary: builds an array by repeatedly applying a unary function with 
+                       //      a seed value Z until the predicate is satisfied.
+                       o = o || d.global; f = df.lambda(f); pr = df.lambda(pr);
+                       var t = [];
+                       for(; !pr.call(o, z); t.push(z), z = f.call(o, z));
+                       return t;       // Array
+               }
+       });
+})();
+
+}