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Avoid trailing slice unless needed.

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John-David Dalton
2016-11-06 00:13:16 -07:00
parent e0a65ac34a
commit 6ef973ae33
1 changed files with 4 additions and 1 deletions
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5
lodash.js
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@@ -10819,12 +10819,15 @@
start = start === undefined ? 0 : nativeMax(toInteger(start), 0); start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
return baseRest(function(args) { return baseRest(function(args) {
var array = args[start], var array = args[start],
lastIndex = args.length - 1,
otherArgs = castSlice(args, 0, start); otherArgs = castSlice(args, 0, start);
if (array) { if (array) {
arrayPush(otherArgs, array); arrayPush(otherArgs, array);
} }
arrayPush(otherArgs, castSlice(args, start + 1)); if (start != lastIndex) {
arrayPush(otherArgs, castSlice(args, start + 1));
}
return apply(func, this, otherArgs); return apply(func, this, otherArgs);
}); });
} }