README.rip

# USAGE
 
Foo = class (Struct.new(:name, :address)) {
	compare_by(:name)
	order_by(:address, :name)
}

helper_macros.rip

HelperMacros = class {
	compare_by = -> (accessors...) {
		@.@.== = -> (other) {
			accessors.all?(-> (message) {
				@.send(message) == other.send(message)
			})
		}
	}

	order_by = -> (accessors...) {
		@.@.<=> = -> (other) {
			accessors.fold(0, -> (memo, message) {
				if (memo.zero?()) {
					result = @.send(message) <=> other.send(message)
					result <=> memo
				} else {
					memo
				}
			})
		}
	}
}