lib/dm-core/support/deprecate.rb
module DataMapper
module Deprecate
def deprecate(old_method, new_method)
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def #{old_method}(*args, &block)
warn "\#{self.class}##{old_method} is deprecated, use \#{self.class}##{new_method} instead (\#{caller.first})"
send(#{new_method.inspect}, *args, &block)
end
RUBY
end
end # module Deprecate
end # module DataMapper