Convert single object to List
Works with varargs in Java 1.6
List<String> list = java.util.Arrays.asList("foo");
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JavaScript versions of the functions described in Martin Fowler's article "CollectionClosureMethod"
See the original article at http://www.martinfowler.com/bliki/CollectionClosureMethod.html.
These implement all the methods except the sorting related ones.
These implement all the methods except the sorting related ones.
Array.prototype.select = function(detect) { var result = []; for (var i = 0; i < this.length; ++i) { if (detect(this[i])) { result.push(this[i]); } } return result; }; Array.prototype.reject = function(detect) { var result = []; for (var i = 0; i < this.length; ++i) { if (!detect(this[i])) { result.push(this[i]); } } return result; }; Array.prototype.partition = function(detect) { var yeses = []; var nos = []; for (var i = 0; i < this.length; ++i) { if (detect(this[i])) { yeses.push(this[i]); } else { nos.push(this[i]); } } return [yeses, nos]; }; Array.prototype.all = function(detect) { for (var i = 0; i < this.length; ++i) { if (!detect(this[i])) { return false; } } return true; }; Array.prototype.any = function(detect) { for (var i = 0; i < this.length; ++i) { if (detect(this[i])) { return true; } } return false; }; Array.prototype.find = function(detect, ifNone) { for (var i = 0; i < this.length; ++i) { if (detect(this[i])) { return this[i]; } } if (ifNone === null) { return null; } return ifNone(); }; Array.prototype.map = function(mapper) { var result = []; for (var i = 0; i < this.length; ++i) { result.push(mapper(this[i])); } return result; }; Array.prototype.inject = function(initial, reducer) { var result = initial; for (var i = 0; i < this.length; ++i) { result = reducer(result, this[i]); } return result; };
