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Extend map with referring insertion #60142

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Extend map with referring insertion #60142

wants to merge 1 commit into from

Commits on Apr 20, 2019

  1. Extend map with referring insertion 

    The motivation for this is that after inserting an association into map, it becomes impossible to do anything else to either key or the value, because the ownership is transferred to the map. It also is impossible to acquire these references without costly workarounds using the current API. There is a question on StackOverflow providing an extended discussion on the matter: https://stackoverflow.com/q/32401857/485115.

Please notice that the implementation of the `insert_and_get_mut_key_value` function might not be optimal and requires further review.

The names of the functions are absolutely up for discussion.
    @nikita-volkov
    nikita-volkov committed Apr 20, 2019
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