class Sus::Have::Attribute

def call(assertions, subject)
	assertions.nested(self) do |assertions|
		assertions.assert(subject.respond_to?(@name), "has attribute")
		@predicate&.call(assertions, subject.send(@name))
	end
end

def initialize(name, predicate)
	@name = name
	@predicate = predicate
end

def print(output)
	output.write("attribute ", :variable, @name.to_s, :reset, " ", @predicate, :reset)
end