Initializing arrays in Ember

@jfschaff wrote:

I just had a hard time finding how to define an array with Ember’s new ES6 module imports. So here it is for others who might have the same question:

import { A } from '@ember/array';
...
this.set('someVar', A());             // empty Emberish array
this.set('someOtherVar', A([1,2,3]));

As explained in the doc here

A() is not needed if EmberENV.EXTEND_PROTOTYPES is true (the default value). However, it is recommended that you use A() when creating addons for ember or when you can not guarantee that EmberENV.EXTEND_PROTOTYPES will be true.

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