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author | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-05-19 03:51:53 +0000 |
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committer | (no author) <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-05-19 03:51:53 +0000 |
commit | d4d497dd86962d333337b70392623ccde5a053c2 (patch) | |
tree | a166b4c7589acc7adf69ab3b0e2a0acda5264182 /lib/rexml | |
parent | 44f0517a1381df95b8a8e852d273c2341f1c5917 (diff) |
This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rexml')
-rw-r--r-- | lib/rexml/syncenumerator.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/rexml/syncenumerator.rb b/lib/rexml/syncenumerator.rb new file mode 100644 index 0000000000..955e006cb2 --- /dev/null +++ b/lib/rexml/syncenumerator.rb @@ -0,0 +1,33 @@ +module REXML + class SyncEnumerator + include Enumerable + + # Creates a new SyncEnumerator which enumerates rows of given + # Enumerable objects. + def initialize(*enums) + @gens = enums + @biggest = @gens[0] + @gens.each {|x| @biggest = x if x.size > @biggest.size } + end + + # Returns the number of enumerated Enumerable objects, i.e. the size + # of each row. + def size + @gens.size + end + + # Returns the number of enumerated Enumerable objects, i.e. the size + # of each row. + def length + @gens.length + end + + # Enumerates rows of the Enumerable objects. + def each + @biggest.zip( *@gens ) {|a| + yield(*a[1..-1]) + } + self + end + end +end |