Custom coercer that changes a string input into an TWDuration object If nil? or blank? it returns nil
Modifies the coerce method.
@param [Object] any value that we are trying to coerce, probably String @return [TWDuration, nil]
# File lib/rtasklib/models.rb, line 36 def coerce(v) if v.nil? || v.blank? then nil else TWDuration.new(v) end end