41 lines
860 B
JavaScript
41 lines
860 B
JavaScript
function Sort() {
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return {
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defaultCompare: defaultCompare,
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map: map,
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insert: insert,
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};
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function insert(obj, t, compare, min, max) {
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min = min == undefined ? 0 : min;
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max = max == undefined ? t.length : max;
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compare = compare == undefined ? defaultCompare : compare;
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if(max - min < 1) {
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return min;
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}
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var avg = Math.floor((max + min) / 2);
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if (compare(obj, t[avg]) < 0) {
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return insert(obj, t, compare, min, avg);
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} else {
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return insert(obj, t, compare, avg+1, max);
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}
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}
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function defaultCompare(a, b) {
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if(a < b) {
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return -1;
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} else if(a > b) {
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return 1;
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} else {
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return 0;
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}
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}
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function map(projector, f) {
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return function() {
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var args = Array.prototype.map.call(arguments, projector);
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return f.apply(null, args);
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}
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}
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}
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