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Mention new feature of Hash#transform_keys [Feature #16273]

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ref b25e27277dc39f25cfca4db8452d254f6cc8046e
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Kazuhiro NISHIYAMA 2020-01-13 21:22:22 +09:00
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@ -18,6 +18,12 @@ sufficient information, see the ChangeLog file or Redmine
=== Core classes updates (outstanding ones only) === Core classes updates (outstanding ones only)
Hash::
Modified method::
* Hash#transform_keys now accepts a hash that maps keys to new keys. [Feature #16274]
=== Stdlib updates (outstanding ones only) === Stdlib updates (outstanding ones only)
=== Compatibility issues (excluding feature bug fixes) === Compatibility issues (excluding feature bug fixes)