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| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-06-14 15:14:46 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-06-14 15:14:46 +0000 |
| commit | 8bb581f8dd4eeb0e3e784488f3c8d102df9327c3 (patch) | |
| tree | bce0e4da41f5fe3d2e3b6547a4a0ec5cfb0eaca0 /ext/pathname/lib/pathname.rb | |
| parent | 16917fa6980cd90678e5149fa37151038094205a (diff) | |
* ext/pathname/lib/pathname.rb (descend): Blockless form supported.
(ascend): Ditto.
[ruby-core:68820] [Feature #11052] Patch by Piotr Szotkowski.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/pathname/lib/pathname.rb')
| -rw-r--r-- | ext/pathname/lib/pathname.rb | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ext/pathname/lib/pathname.rb b/ext/pathname/lib/pathname.rb index f5db526b8c..9f23ba502e 100644 --- a/ext/pathname/lib/pathname.rb +++ b/ext/pathname/lib/pathname.rb @@ -278,9 +278,17 @@ class Pathname # #<Pathname:path/to/some> # #<Pathname:path/to/some/file.rb> # + # Returns an Enumerator if no block was given. + # + # enum = Pathname.new("/usr/bin/ruby").descend + # # ... do stuff ... + # enum.each { |e| ... } + # # yields Pathnames /, /usr, /usr/bin, and /usr/bin/ruby. + # # It doesn't access the filesystem. # def descend + return to_enum(__method__) unless block_given? vs = [] ascend {|v| vs << v } vs.reverse_each {|v| yield v } @@ -303,9 +311,17 @@ class Pathname # #<Pathname:path/to> # #<Pathname:path> # + # Returns an Enumerator if no block was given. + # + # enum = Pathname.new("/usr/bin/ruby").ascend + # # ... do stuff ... + # enum.each { |e| ... } + # # yields Pathnames /usr/bin/ruby, /usr/bin, /usr, and /. + # # It doesn't access the filesystem. # def ascend + return to_enum(__method__) unless block_given? path = @path yield self while r = chop_basename(path) |