Index trait for resulting array's shape #314
Merged
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Part of the problem that #297 was working around was the absence of any information related to how an index type translates into the shape of the resulting array. Some of the problems discussed in #312 are also related to this. I'll be following this up with a couple internal changes in ArrayInterface, but I want to do this piecewise to ensure I don't break anything by changing it all at once.