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Fix #to_json for IO objects, fixes #26132 #30953

merged 1 commit into from Oct 23, 2017


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Fixes #26132.


  • For unreadable IO objects, to_json would raise an IOError
  • For readable IO objects, to_json would cause a side-effect by reading the contents of the stream.


IO#to_json returns the to_s representation for both readable and unreadable IO objects.

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Thanks for the pull request, and welcome! The Rails team is excited to review your changes, and you should hear from @kamipo (or someone else) soon.

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@rafaelfranca rafaelfranca merged commit 813f8e3 into rails:master Oct 23, 2017
rafaelfranca added a commit that referenced this pull request Oct 23, 2017
@rohitpaulk rohitpaulk deleted the fix-io-to-json branch October 24, 2017 12:04
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4 participants