40 lines
		
	
	
		
			871 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			871 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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module.exports = {
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	"__generic": function (t, a) {
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		var count = 0, first, last, x, icount = this.length;
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		t.call(this, function (item, index, col) {
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			++count;
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			if (!first) {
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				first = item;
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			}
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			last = item;
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			x = col;
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			a(index, --icount, "Index");
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		});
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		a(count, this.length, "Iterated");
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		a(first, this[this.length - 1], "First is last");
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		a(last, this[0], "Last is first");
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		a.deep(x, Object(this), "Collection as third argument"); // Jslint: skip
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	},
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	"": function (t, a) {
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		var x = {}, y, count;
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		t.call([1], function () { y = this; }, x);
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		a(y, x, "Scope");
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		y = 0;
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		t.call([3, 4, 4], function (a, i) { y += i; });
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		a(y, 3, "Indexes");
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		x = [1, 3];
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		x[5] = "x";
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		y = 0;
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		count = 0;
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		t.call(x, function (a, i) {
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			++count;
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			y += i;
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		});
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		a(y, 6, "Misssing Indexes");
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		a(count, 3, "Misssing Indexes, count");
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	}
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};
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