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* struct.c (Struct.new): Document Struct.new with block

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Patch by Hiroyuki Iwatsuki [Bug #7674]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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zzak 2013-01-19 02:37:01 +00:00
parent b7ae472b58
commit eed593eba6
2 changed files with 19 additions and 3 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Sat Jan 19 11:35:00 2013 Zachary Scott <zachary@zacharyscott.net>
* struct.c (Struct.new): Document Struct.new with block
Patch by Hiroyuki Iwatsuki [Bug #7674]
Sat Jan 19 09:52:46 2013 Eric Hodel <drbrain@segment7.net> Sat Jan 19 09:52:46 2013 Eric Hodel <drbrain@segment7.net>
* doc/syntax/miscellaneous.rdoc: Added section on defined? * doc/syntax/miscellaneous.rdoc: Added section on defined?

17
struct.c
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@ -283,9 +283,10 @@ rb_struct_define(const char *name, ...)
/* /*
* call-seq: * call-seq:
* Struct.new( [aString] [, aSym]+> ) -> StructClass * Struct.new( [aString] [, aSym]+> ) -> StructClass
* StructClass.new(arg, ...) -> obj * Struct.new( [aString] [, aSym]+> ) {|StructClass| block } -> StructClass
* StructClass[arg, ...] -> obj * StructClass.new(arg, ...) -> obj
* StructClass[arg, ...] -> obj
* *
* Creates a new class, named by <i>aString</i>, containing accessor * Creates a new class, named by <i>aString</i>, containing accessor
* methods for the given symbols. If the name <i>aString</i> is * methods for the given symbols. If the name <i>aString</i> is
@ -296,6 +297,16 @@ rb_struct_define(const char *name, ...)
* letter. Assigning a structure class to a constant effectively gives * letter. Assigning a structure class to a constant effectively gives
* the class the name of the constant. * the class the name of the constant.
* *
* If a block is given, it will be evaluated in the context of
* <i>StructClass</i>, passing <i>StructClass</i> as a parameter.
*
* Customer = Struct.new(:name, :address) do
* def greeting
* "Hello #{name}!"
* end
* end
* Customer.new("Dave", "123 Main").greeting # => "Hello Dave!"
*
* <code>Struct::new</code> returns a new <code>Class</code> object, * <code>Struct::new</code> returns a new <code>Class</code> object,
* which can then be used to create specific instances of the new * which can then be used to create specific instances of the new
* structure. The number of actual parameters must be * structure. The number of actual parameters must be