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object.c: improve docs

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* object.c: [DOC] add an example for Object#yield_self that
  better illustrates its purpose; other small improvements.
  Reported by Vitaly Tatarintsev (ck3g).  Patch by Marcus Stollsteimer.
  [Fix GH-1637]

* object.c: [DOC] improve docs for Object#{itself,tap}.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58972 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
stomar 2017-05-30 18:17:55 +00:00
parent e4cc791f87
commit 8bce215fa2
1 changed files with 13 additions and 12 deletions
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13
object.c
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@ -493,11 +493,11 @@ rb_obj_dup(VALUE obj)
/*
* call-seq:
* obj.itself -> an_object
* obj.itself -> obj
*
* Returns <i>obj</i>.
* Returns the receiver.
*
* string = 'my string' #=> "my string"
* string = "my string"
* string.itself.object_id == string.object_id #=> true
*
*/
@ -516,11 +516,12 @@ rb_obj_size(VALUE self, VALUE args, VALUE obj)
/*
* call-seq:
* obj.yield_self {|_obj|...} -> an_object
* obj.yield_self {|x| block } -> an_object
*
* Yields <i>obj</i> and returns the result.
* Yields self to the block and returns the result of the block.
*
* 'my string'.yield_self {|s|s.upcase} #=> "MY STRING"
* "my string".yield_self {|s| s.upcase } #=> "MY STRING"
* 3.next.yield_self {|x| x**x }.to_s #=> "256"
*
*/