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Use String#+@ before mutating the result of Symbol#to_s #37303

Merged
merged 1 commit into from
Sep 26, 2019
Merged

Use String#+@ before mutating the result of Symbol#to_s #37303

merged 1 commit into from
Sep 26, 2019

Commits on Sep 26, 2019

  1. Use String#+@ before mutating the result of Symbol#to_s 

    * String#+@ is available since Ruby 2.3.
* See the upstream Ruby change making Symbol#to_s return a frozen String
  for efficiency: ruby/ruby#2437
    @eregon
    eregon committed Sep 26, 2019
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