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proc.c: [DOC] refine proc-compistion examples [ci skip]

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* proc.c: [DOC] refine proc-compistion examples by using same
  Proc/Method and different composition orders.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-11-23 11:42:50 +00:00
parent 16f886328a
commit a93ce3e1b8
1 changed files with 13 additions and 17 deletions
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30
proc.c
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@ -3072,10 +3072,9 @@ compose(VALUE dummy, VALUE args, int argc, VALUE *argv, VALUE passed_proc)
* The returned proc takes a variable number of arguments, calls <i>g</i> with them
* then calls this proc with the result.
*
* f = proc {|x| x * 2 }
* g = proc {|x, y| x + y }
* h = f << g
* p h.call(1, 2) #=> 6
* f = proc {|x| x * x }
* g = proc {|x| x + x }
* p (f << g).call(2) #=> 16
*/
static VALUE
proc_compose_to_left(VALUE self, VALUE g)
@ -3106,10 +3105,9 @@ proc_compose_to_left(VALUE self, VALUE g)
* The returned proc takes a variable number of arguments, calls <i>g</i> with them
* then calls this proc with the result.
*
* f = proc {|x, y| x + y }
* g = proc {|x| x * 2 }
* h = f >> g
* p h.call(1, 2) #=> 6
* f = proc {|x| x * x }
* g = proc {|x| x + x }
* p (f >> g).call(2) #=> 8
*/
static VALUE
proc_compose_to_right(VALUE self, VALUE g)
@ -3141,13 +3139,12 @@ proc_compose_to_right(VALUE self, VALUE g)
* then calls this method with the result.
*
* def f(x)
* x * 2
* x * x
* end
*
* f = self.method(:f)
* g = proc {|x, y| x + y }
* h = f << g
* p h.call(1, 2) #=> 6
* g = proc {|x| x + x }
* p (f << g).call(2) #=> 16
*/
static VALUE
rb_method_compose_to_left(VALUE self, VALUE g)
@ -3164,14 +3161,13 @@ rb_method_compose_to_left(VALUE self, VALUE g)
* The returned proc takes a variable number of arguments, calls <i>g</i> with them
* then calls this method with the result.
*
* def f(x, y)
* x + y
* def f(x)
* x * x
* end
*
* f = self.method(:f)
* g = proc {|x| x * 2 }
* h = f >> g
* p h.call(1, 2) #=> 6
* g = proc {|x| x + x }
* p (f >> g).call(2) #=> 8
*/
static VALUE
rb_method_compose_to_right(VALUE self, VALUE g)