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Add optional iterator to _.uniq

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Alfredo Mesen
2011-05-03 21:09:54 -06:00
parent c174663ea3
commit b9307163b9
3 changed files with 22 additions and 4 deletions
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8
test/arrays.js
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@@ -61,6 +61,14 @@ $(document).ready(function() {
var list = [1, 1, 1, 2, 2, 3];
equals(_.uniq(list, true).join(', '), '1, 2, 3', 'can find the unique values of a sorted array faster');
var list = [{name:'moe'}, {name:'curly'}, {name:'larry'}, {name:'curly'}];
var iterator = function(value) { return value.name; };
equals(_.map(_.uniq(list, false, iterator), iterator).join(', '), 'moe, curly, larry', 'can find the unique values of an array using a custom iterator');
var iterator = function(value) { return value +1; };
var list = [1, 2, 2, 3, 4, 4];
equals(_.uniq(list, true, iterator).join(', '), '1, 2, 3, 4', 'iterator works with sorted array');
var result = (function(){ return _.uniq(arguments); })(1, 2, 1, 3, 1, 4);
equals(result.join(', '), '1, 2, 3, 4', 'works on an arguments object');
});