Sha256: d8d4260049f681721c9e2601b40e62cecdf807e30f5f74eb3ecb0c273367c048
Contents?: true
Size: 711 Bytes
Versions: 10
Compression:
Stored size: 711 Bytes
Contents
module Arel
module ClassExtensions
def attributes(*attrs)
@attributes = attrs
attr_reader(*attrs)
end
def deriving(*methods)
methods.each { |m| derive m }
end
def derive(method_name)
methods = {
:initialize => "
def #{method_name}(#{@attributes.join(',')})
#{@attributes.collect { |a| "@#{a} = #{a}" }.join("\n")}
end
",
:== => "
def ==(other)
#{name} === other &&
#{@attributes.collect { |a| "@#{a} == other.#{a}" }.join(" &&\n")}
end
"
}
class_eval methods[method_name], __FILE__, __LINE__
end
Class.send(:include, self)
end
end
Version data entries
10 entries across 10 versions & 2 rubygems