archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-09-15 08:33:58 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

* sprintf.c: add short documentation about named reference.

Browse source 
[ruby-core:31294]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28702 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2010-07-21 06:16:07 +00:00
parent 3f606b9aca
commit 6e2850aa46
3 changed files with 17 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
sprintf.c
View file

@ -420,6 +420,15 @@ get_hash(volatile VALUE *hash, int argc, const VALUE *argv)
* sprintf("%1$*2$s %2$d", "hello", -8) #=> "hello -8"
* sprintf("%+g:% g:%-g", 1.23, 1.23, 1.23) #=> "+1.23: 1.23:1.23"
* sprintf("%u", -123) #=> "-123"
*
* For more complex formatting, Ruby supports a reference by name.
* %<name>s style uses format style, but ${name} style doesn't.
*
* Exapmles:
* sprintf("%<foo>d : %<bar>f" % { :foo => 1, :bar => 2 })
* #=> 1 : 2.000000
* sprintf("%d %{foo}" % { :foo => 'bar' })
* # => "%d bar"
*/
VALUE