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Optimize lazy slice for start of 0 and an end value.

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jdalton
2015-04-27 23:11:58 -07:00
parent df176dfe8a
commit bf89287c56
1 changed files with 6 additions and 1 deletions
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7
lodash.src.js
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@@ -12342,8 +12342,13 @@
LazyWrapper.prototype.slice = function(start, end) { LazyWrapper.prototype.slice = function(start, end) {
start = start == null ? 0 : (+start || 0); start = start == null ? 0 : (+start || 0);
var result = start < 0 ? this.takeRight(-start) : this.drop(start);
var result = this;
if (start < 0) {
result = this.takeRight(-start);
} else if (start) {
result = this.drop(start);
}
if (end !== undefined) { if (end !== undefined) {
end = (+end || 0); end = (+end || 0);
result = end < 0 ? result.dropRight(-end) : result.take(end - start); result = end < 0 ? result.dropRight(-end) : result.take(end - start);