Nikolai Tillmann efefe828f9 Preserve null in babel-types' clone and deepClone. (#4853)
* Preserve null in babel-types' clone and deepClone.
* Also respect undefined when cloning.
* Updating last test to reflect original test case "[,0]"
2016-11-17 08:52:04 -05:00
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2016-10-23 10:51:09 +02:00
2016-11-15 14:51:26 -05:00