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_.uniq(): Remove unused previous variable.

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Kit Cambridge
2012-02-20 12:36:48 -07:00
parent c8d4025621
commit 0285f47f78
1 changed files with 2 additions and 2 deletions
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underscore.js
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@@ -371,10 +371,10 @@
// been sorted, you have the option of using a faster algorithm. // been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`. // Aliased as `unique`.
_.uniq = _.unique = function(array, isSorted, iterator) { _.uniq = _.unique = function(array, isSorted, iterator) {
var results = [], previous; var results = [];
_.reduce(iterator ? _.map(array, iterator) : array, function (memo, value, index) { _.reduce(iterator ? _.map(array, iterator) : array, function (memo, value, index) {
if (array.length < 3 || isSorted ? _.last(memo) !== value || !memo.length : !_.include(memo, value)) { if (array.length < 3 || isSorted ? _.last(memo) !== value || !memo.length : !_.include(memo, value)) {
memo.push(previous = value); memo.push(value);
results.push(array[index]); results.push(array[index]);
} }
return memo; return memo;