curry.js 1.4 KB

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  1. /*
  2. Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
  3. Available via Academic Free License >= 2.1 OR the modified BSD license.
  4. see: http://dojotoolkit.org/license for details
  5. */
  6. if(!dojo._hasResource["dojox.lang.functional.curry"]){dojo._hasResource["dojox.lang.functional.curry"]=true;dojo.provide("dojox.lang.functional.curry");dojo.require("dojox.lang.functional.lambda");(function(){var df=dojox.lang.functional,ap=Array.prototype;var _1=function(_2){return function(){var _3=_2.args.concat(ap.slice.call(arguments,0));if(arguments.length+_2.args.length<_2.arity){return _1({func:_2.func,arity:_2.arity,args:_3});}return _2.func.apply(this,_3);};};dojo.mixin(df,{curry:function(f,_4){f=df.lambda(f);_4=typeof _4=="number"?_4:f.length;return _1({func:f,arity:_4,args:[]});},arg:{},partial:function(f){var a=arguments,l=a.length,_5=new Array(l-1),p=[],i=1,t;f=df.lambda(f);for(;i<l;++i){t=a[i];_5[i-1]=t;if(t===df.arg){p.push(i-1);}}return function(){var t=ap.slice.call(_5,0),i=0,l=p.length;for(;i<l;++i){t[p[i]]=arguments[i];}return f.apply(this,t);};},mixer:function(f,_6){f=df.lambda(f);return function(){var t=new Array(_6.length),i=0,l=_6.length;for(;i<l;++i){t[i]=arguments[_6[i]];}return f.apply(this,t);};},flip:function(f){f=df.lambda(f);return function(){var a=arguments,l=a.length-1,t=new Array(l+1),i=0;for(;i<=l;++i){t[l-i]=a[i];}return f.apply(this,t);};}});})();}