diff options
Diffstat (limited to 'pollhead.rb')
-rw-r--r-- | pollhead.rb | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/pollhead.rb b/pollhead.rb index 524631b..dc2d12d 100644 --- a/pollhead.rb +++ b/pollhead.rb @@ -25,13 +25,11 @@ class PollHead @data.size end - # iterates over each column + # returns a sorted array of all columns # column should be the internal representation # column.to_s should deliver humanreadable form - def each_column - @data.sort.each{|k,v| - yield(k) - } + def columns + @data.keys.sort end # column is in human readable form |