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[eow] / static / dojo-release-1.1.1 / dojox / lang / functional / fold.js
diff --git a/static/dojo-release-1.1.1/dojox/lang/functional/fold.js b/static/dojo-release-1.1.1/dojox/lang/functional/fold.js
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-if(!dojo._hasResource["dojox.lang.functional.fold"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.lang.functional.fold"] = true;
-dojo.provide("dojox.lang.functional.fold");
-
-dojo.require("dojox.lang.functional.lambda");
-
-// This module adds high-level functions and related constructs:
-//     - "fold" family of functions
-
-// Notes:
-//     - missing high-level functions are provided with the compatible API: 
-//             foldl, foldl1, foldr, foldr1
-//     - missing JS standard functions are provided with the compatible API: 
-//             reduce, reduceRight
-
-// Defined methods:
-//     - take any valid lambda argument as the functional argument
-//     - operate on dense arrays
-//     - take a string as the array argument
-//     - take an iterator objects as the array argument (only foldl, foldl1, and reduce)
-
-(function(){
-       var d = dojo, df = dojox.lang.functional;
-
-       d.mixin(df, {
-               // classic reduce-class functions
-               foldl: function(/*Array|String|Object*/ a, /*Function*/ f, /*Object*/ z, /*Object?*/ o){
-                       // summary: repeatedly applies a binary function to an array from left 
-                       //      to right using a seed value as a starting point; returns the final 
-                       //      value.
-                       if(typeof a == "string"){ a = a.split(""); }
-                       o = o || d.global; f = df.lambda(f);
-                       if(d.isArray(a)){
-                               for(var i = 0, n = a.length; i < n; z = f.call(o, z, a[i], i, a), ++i);
-                       }else{
-                               for(var i = 0; a.hasNext(); z = f.call(o, z, a.next(), i++));
-                       }
-                       return z;       // Object
-               },
-               foldl1: function(/*Array|String|Object*/ a, /*Function|String|Array*/ f, /*Object?*/ o){
-                       // summary: repeatedly applies a binary function to an array from left 
-                       //      to right; returns the final value.
-                       if(typeof a == "string"){ a = a.split(""); }
-                       o = o || d.global; f = df.lambda(f);
-                       var z;
-                       if(d.isArray(a)){
-                               z = a[0];
-                               for(var i = 1, n = a.length; i < n; z = f.call(o, z, a[i], i, a), ++i);
-                       }else if(a.hasNext()){
-                               z = a.next();
-                               for(var i = 1; a.hasNext(); z = f.call(o, z, a.next(), i++));
-                       }
-                       return z;       // Object
-               },
-               foldr: function(/*Array|String*/ a, /*Function|String|Array*/ f, /*Object*/ z, /*Object?*/ o){
-                       // summary: repeatedly applies a binary function to an array from right
-                       //      to left using a seed value as a starting point; returns the final 
-                       //      value.
-                       if(typeof a == "string"){ a = a.split(""); }
-                       o = o || d.global; f = df.lambda(f);
-                       for(var i = a.length; i > 0; --i, z = f.call(o, z, a[i], i, a));
-                       return z;       // Object
-               },
-               foldr1: function(/*Array|String*/ a, /*Function|String|Array*/ f, /*Object?*/ o){
-                       // summary: repeatedly applies a binary function to an array from right
-                       //      to left; returns the final value.
-                       if(typeof a == "string"){ a = a.split(""); }
-                       o = o || d.global; f = df.lambda(f);
-                       var n = a.length, z = a[n - 1];
-                       for(var i = n - 1; i > 0; --i, z = f.call(o, z, a[i], i, a));
-                       return z;       // Object
-               },
-               // JS 1.8 standard array functions, which can take a lambda as a parameter.
-               reduce: function(/*Array|String|Object*/ a, /*Function*/ f, /*Object?*/ z){
-                       // summary: apply a function simultaneously against two values of the array 
-                       //      (from left-to-right) as to reduce it to a single value.
-                       return arguments.length < 3 ? df.foldl1(a, f) : df.foldl(a, f, z);      // Object
-               },
-               reduceRight: function(/*Array|String*/ a, /*Function*/ f, /*Object?*/ z){
-                       // summary: apply a function simultaneously against two values of the array 
-                       //      (from right-to-left) as to reduce it to a single value.
-                       return arguments.length < 3 ? df.foldr1(a, f) : df.foldr(a, f, z);      // Object
-               }
-       });
-})();
-
-}