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literals.rdoc: quoted symbol keys

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* doc/syntax/literals.rdoc (Hashes): describe about quoted symbol
  keys.

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nobu 2014-12-29 05:29:28 +00:00
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doc/syntax/literals.rdoc
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@ -233,6 +233,14 @@ You can create a hash using symbol keys with the following syntax:
This same syntax is used for keyword arguments for a method.
Like Symbol literals, you can qoute symbol keys.
{ "a 1": 1, "b #{1 + 1}": 2 }
is equal to
{ :"a 1" => 1, :"b 2" => 2 }
See Hash for the methods you may use with a hash.
== Ranges