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| require 'pp' | |
| class Object | |
| def tap | |
| yield self | |
| self | |
| end | |
| def tapp | |
| pp self | |
| self | |
| end | |
| end | |
| a = [nil, :apple, [:others]].flatten.tapp.compact.tapp | |
| #> [nil, :apple, :others] | |
| #> [:apple, :others] | |
| a.tapp | |
| #> [:apple, :others] |
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