[removed] how to remove duplicate arrays inside array of arrays

Question

Input:

[[-1,-1,2],[-1,0,1],[-1,-1,2],[-1,0,1],[-1,-1,2],[-1,0,1],[-1,0,1]]

The output I want:

[[-1,-1,2],[-1,0,1]]
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Answer 1

There's already a good utility for that, try Lodash, one of the function of it is _.uniqWith, with that function you can do the following.