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- /*
- Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
- Available via Academic Free License >= 2.1 OR the modified BSD license.
- see: http://dojotoolkit.org/license for details
- */
- if(!dojo._hasResource["dojox.lang.functional.fold"]){dojo._hasResource["dojox.lang.functional.fold"]=true;dojo.provide("dojox.lang.functional.fold");dojo.require("dojox.lang.functional.lambda");(function(){var d=dojo,df=dojox.lang.functional,_1={};d.mixin(df,{foldl:function(a,f,z,o){if(typeof a=="string"){a=a.split("");}o=o||d.global;f=df.lambda(f);var i,n;if(d.isArray(a)){for(i=0,n=a.length;i<n;z=f.call(o,z,a[i],i,a),++i){}}else{if(typeof a.hasNext=="function"&&typeof a.next=="function"){for(i=0;a.hasNext();z=f.call(o,z,a.next(),i++,a)){}}else{for(i in a){if(!(i in _1)){z=f.call(o,z,a[i],i,a);}}}}return z;},foldl1:function(a,f,o){if(typeof a=="string"){a=a.split("");}o=o||d.global;f=df.lambda(f);var z,i,n;if(d.isArray(a)){z=a[0];for(i=1,n=a.length;i<n;z=f.call(o,z,a[i],i,a),++i){}}else{if(typeof a.hasNext=="function"&&typeof a.next=="function"){if(a.hasNext()){z=a.next();for(i=1;a.hasNext();z=f.call(o,z,a.next(),i++,a)){}}}else{var _2=true;for(i in a){if(!(i in _1)){if(_2){z=a[i];_2=false;}else{z=f.call(o,z,a[i],i,a);}}}}}return z;},foldr:function(a,f,z,o){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;},foldr1:function(a,f,o){if(typeof a=="string"){a=a.split("");}o=o||d.global;f=df.lambda(f);var n=a.length,z=a[n-1],i=n-1;for(;i>0;--i,z=f.call(o,z,a[i],i,a)){}return z;},reduce:function(a,f,z){return arguments.length<3?df.foldl1(a,f):df.foldl(a,f,z);},reduceRight:function(a,f,z){return arguments.length<3?df.foldr1(a,f):df.foldr(a,f,z);},unfold:function(pr,f,g,z,o){o=o||d.global;f=df.lambda(f);g=df.lambda(g);pr=df.lambda(pr);var t=[];for(;!pr.call(o,z);t.push(f.call(o,z)),z=g.call(o,z)){}return t;}});})();}
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