Vim function to toggle Ruby block type

[Mark Woodward]

Hi everyone,

has anyone written a vim function to toggle/convert ruby block types?
ie:

    { |x| puts x }

toggled becomes:

    do |x|
        puts x
    end

toggled becomes:

    { |x| puts x }

again


So if the cursor is within the {} or between the do/end hitting a mapped
'toggle key' will convert one to the other.

If not any ideas what would be the best way to attack this? Thought I'd
ask before I try to reinvent the wheel.


-- 
Mark