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Struct#to_h: Add doc for block form.

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Patch by Shuji Kobayashi [doc] [ci skip] [#15454]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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marcandre 2018-12-23 03:43:45 +00:00
parent 9cc1120424
commit 9777547817
1 changed files with 7 additions and 1 deletions
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8
struct.c
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@ -901,13 +901,19 @@ rb_struct_to_a(VALUE s)
/* /*
* call-seq: * call-seq:
* struct.to_h -> hash * struct.to_h -> hash
* struct.to_h {|name, value| block } -> hash
* *
* Returns a Hash containing the names and values for the struct's members. * Returns a Hash containing the names and values for the struct's members.
* *
* If a block is given, the results of the block on each pair of the receiver
* will be used as pairs.
*
* Customer = Struct.new(:name, :address, :zip) * Customer = Struct.new(:name, :address, :zip)
* joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345) * joe = Customer.new("Joe Smith", "123 Maple, Anytown NC", 12345)
* joe.to_h[:address] #=> "123 Maple, Anytown NC" * joe.to_h[:address] #=> "123 Maple, Anytown NC"
* joe.to_h{|name, value| [name.upcase, value.to_s.upcase]}[:ADDRESS]
* #=> "123 MAPLE, ANYTOWN NC"
*/ */
static VALUE static VALUE