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literals.rdoc: Update for symbol literals

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* doc/syntax/literals.rdoc (Symbols): now Symbols created by
  interpolation can be garbage collected.  patch by Yihang Ho in
  [ruby-core:67194].  [Bug #10671]
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2014-12-29 05:27:36 +00:00
parent 401c8bb00b
commit 25dddf158c
2 changed files with 6 additions and 3 deletions
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ChangeLog
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@ -1,3 +1,9 @@
Mon Dec 29 14:27:33 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* doc/syntax/literals.rdoc (Symbols): now Symbols created by
interpolation can be garbage collected. patch by Yihang Ho in
[ruby-core:67194]. [Bug #10671]
Mon Dec 29 11:18:17 2014 Nobuyoshi Nakada <nobu@ruby-lang.org> Mon Dec 29 11:18:17 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* thread.c (rb_thread_variable_get): fix dynamic symbol keys. * thread.c (rb_thread_variable_get): fix dynamic symbol keys.

3
doc/syntax/literals.rdoc
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@ -199,9 +199,6 @@ You may also create symbols by interpolation:
:"my_symbol1" :"my_symbol1"
:"my_symbol#{1 + 1}" :"my_symbol#{1 + 1}"
Note that symbols are never garbage collected so be careful when referencing
symbols using interpolation.
Like strings, a single-quote may be used to disable interpolation: Like strings, a single-quote may be used to disable interpolation:
:'my_symbol#{1 + 1}' #=> :"my_symbol\#{1 + 1}" :'my_symbol#{1 + 1}' #=> :"my_symbol\#{1 + 1}"