diff options
Diffstat (limited to 'ext/pathname/lib')
| -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) |