class ActiveModel::Type::String

:nodoc:

def cast_value(value) 

def cast_value(value)
  case value
  when ::String then ::String.new(value)
  when true then "t".freeze
  when false then "f".freeze
  else value.to_s
  end
end

def changed_in_place?(raw_old_value, new_value)

:nodoc: 
def changed_in_place?(raw_old_value, new_value)
  if new_value.is_a?(::String)
    raw_old_value != new_value
  end
end