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Feature #17744

closed

Accumulate `Enumerable#tally` results

Added by nobu (Nobuyoshi Nakada) 7 months ago. Updated 7 months ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
-
[ruby-core:102992]

Description

A feature request at DevelopersMeeting20200317Japan:

  • ko1: want to accumulate Enumerable#tally results

    h = {}
    [:a,:b,:c].tally(h)
    [:a,:b,:d].tally(h)
    
    p h #=> {:a=>2, :b=>2, :c=>1, :d=>1}
    
  • matz: looks good. please create a proposal

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