Created
January 7, 2015 21:51
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Python's defaultdict
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| function defaultDict(constructor) { | |
| return new Proxy({}, { | |
| get: function(object, property) { | |
| return property in object | |
| ? object[property] | |
| : object[property] = constructor() | |
| ; | |
| } | |
| }); | |
| } |
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