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rdoc update.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2009-10-02 23:10:38 +00:00
parent 5bdef2f984
commit a21b7ddf26

27
enum.c
View file

@ -2176,8 +2176,8 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
/*
* call-seq:
* enum.slice_before(pattern) => enumerator
* enum.slice_before {|elt| ... } => enumerator
* enum.slice_before(initial_state) {|elt, state| ... } => enumerator
* enum.slice_before {|elt| bool } => enumerator
* enum.slice_before(initial_state) {|elt, state| bool } => enumerator
*
* Creates an enumerator for each chunked elements.
* The beginnings of chunks are defined by _pattern_ and the block.
@ -2205,6 +2205,18 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
* f.slice_before {|line| /\A\S/ === line }.each {|e| pp e}
* }
*
* "svn proplist -R" produces multiline output for each file.
* They can be chunked as follows:
*
* IO.popen([{"LC_ALL"=>"C"}, "svn", "proplist", "-R"]) {|f|
* f.lines.slice_before(/\AProp/).each {|lines| p lines }
* }
* #=> ["Properties on '.':\n", " svn:ignore\n", " svk:merge\n"]
* # ["Properties on 'goruby.c':\n", " svn:eol-style\n"]
* # ["Properties on 'complex.c':\n", " svn:mime-type\n", " svn:eol-style\n"]
* # ["Properties on 'regparse.c':\n", " svn:eol-style\n"]
* # ...
*
* If the block needs to maintain state over multiple elements,
* local variables can be used.
* For example, monotonically increasing elements can be chunked as follows.
@ -2254,17 +2266,6 @@ slicebefore_i(VALUE yielder, VALUE enumerator, int argc, VALUE *argv)
* # 20
* # ----------
*
* "svn proplist -R" produces multiline output for each file.
* They can be chunked as follows:
*
* IO.popen([{"LC_ALL"=>"C"}, "svn", "proplist", "-R"]) {|f|
* f.lines.slice_before(/^Prop/).each {|lines| p lines }
* }
* #=> ["Properties on '.':\n", " svn:ignore\n", " svk:merge\n"]
* # ["Properties on 'goruby.c':\n", " svn:eol-style\n"]
* # ["Properties on 'complex.c':\n", " svn:mime-type\n", " svn:eol-style\n"]
* # ["Properties on 'regparse.c':\n", " svn:eol-style\n"]
*
* mbox contains series of mails which start with Unix From line.
* So each mail can be extracted by slice before Unix From line.
*