Refactor map iteration #150
Description
In STL iterators return element_t, i.e. pair<key_t, val_t> but in our case iterators return val_t. We should change it to match STL, but that means adding some code to all the test cases.
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In STL iterators return element_t, i.e. pair<key_t, val_t> but in our case iterators return val_t. We should change it to match STL, but that means adding some code to all the test cases.