94 lines
1.7 KiB
JavaScript
94 lines
1.7 KiB
JavaScript
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//>>built
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define("dojox/lang/functional/fold",["dojo/_base/lang","dojo/_base/array","dojo/_base/window","./lambda"],function(_1,_2,_3,df){
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var _4={};
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_1.mixin(df,{foldl:function(a,f,z,o){
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if(typeof a=="string"){
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a=a.split("");
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}
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o=o||_3.global;
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f=df.lambda(f);
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var i,n;
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if(_1.isArray(a)){
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for(i=0,n=a.length;i<n;z=f.call(o,z,a[i],i,a),++i){
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}
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}else{
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if(typeof a.hasNext=="function"&&typeof a.next=="function"){
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for(i=0;a.hasNext();z=f.call(o,z,a.next(),i++,a)){
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}
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}else{
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for(i in a){
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if(!(i in _4)){
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z=f.call(o,z,a[i],i,a);
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}
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}
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}
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}
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return z;
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},foldl1:function(a,f,o){
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if(typeof a=="string"){
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a=a.split("");
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}
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o=o||_3.global;
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f=df.lambda(f);
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var z,i,n;
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if(_1.isArray(a)){
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z=a[0];
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for(i=1,n=a.length;i<n;z=f.call(o,z,a[i],i,a),++i){
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}
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}else{
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if(typeof a.hasNext=="function"&&typeof a.next=="function"){
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if(a.hasNext()){
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z=a.next();
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for(i=1;a.hasNext();z=f.call(o,z,a.next(),i++,a)){
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}
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}
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}else{
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var _5=true;
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for(i in a){
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if(!(i in _4)){
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if(_5){
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z=a[i];
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_5=false;
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}else{
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z=f.call(o,z,a[i],i,a);
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}
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}
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}
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}
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}
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return z;
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},foldr:function(a,f,z,o){
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if(typeof a=="string"){
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a=a.split("");
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}
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o=o||_3.global;
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f=df.lambda(f);
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for(var i=a.length;i>0;--i,z=f.call(o,z,a[i],i,a)){
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}
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return z;
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},foldr1:function(a,f,o){
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if(typeof a=="string"){
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a=a.split("");
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}
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o=o||_3.global;
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f=df.lambda(f);
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var n=a.length,z=a[n-1],i=n-1;
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for(;i>0;--i,z=f.call(o,z,a[i],i,a)){
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}
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return z;
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},reduce:function(a,f,z){
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return arguments.length<3?df.foldl1(a,f):df.foldl(a,f,z);
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},reduceRight:function(a,f,z){
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return arguments.length<3?df.foldr1(a,f):df.foldr(a,f,z);
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},unfold:function(pr,f,g,z,o){
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o=o||_3.global;
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f=df.lambda(f);
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g=df.lambda(g);
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pr=df.lambda(pr);
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var t=[];
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for(;!pr.call(o,z);t.push(f.call(o,z)),z=g.call(o,z)){
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}
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return t;
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}});
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});
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