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rahulkumar-aws/gist:2ac98e913941295f7191

Created September 21, 2015 09:19
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Javascript flatMap implementation
Raw
gistfile1.txt
Array.prototype.flatMap = function(lambda) {
return Array.prototype.concat.apply([], this.map(lambda));
};
Example
[0, 1, 2, 3, 4, 5].flatMap(function(x) {
return [x, x + 1];
});
// [0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6]
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