Sha256: 7c1d9d02c1e364c1b6cd107866e687c9fb6e6e3194ebd787915df615dfd47561
Contents?: true
Size: 802 Bytes
Versions: 32
Compression:
Stored size: 802 Bytes
Contents
module MemoAttr
private
def __memoized
@__memoized ||= {}
end
def self.included(mod)
mod.extend(ClassMethods)
end
module ClassMethods
def memo_attr(name, &block)
raise LocalJumpError.new('no block given') unless block_given?
instance_eval { define_memoized_method(name, &block) }
class_eval { define_validation_block(name) }
end
private
def define_memoized_method(name, &block)
define_method(name) do
__memoized.fetch(name) { |k| __memoized[k] = instance_eval(&block) }
end
end
def define_validation_block(name)
validate do
send(name).errors.each do |key, value|
errors.add("#{send(name).class.name.underscore}_#{key}", value)
end unless send(name).valid?
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems