Today I Learned

hashrocket A Hashrocket project

I need to iterate with an index! With index!

You need an index while iterating over your collection, right?

> a = ['apple', 'orange', 'banana'];
> a.map.with_index {|fruit, index| puts index}
0
1
2

with_index is a method on Enumerator, and map returns an Enumerator.

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