This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

map!

        # Set.map!

(from ruby core)
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    map!()

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(This method is an alias for Set#collect!.)

Replaces the elements with ones returned by `collect()`.
Returns an enumerator if no block is given.



      

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.