class Phlex::Context

def capturing_into(new_target)
	original_target = @target
	original_capturing = @capturing
	begin
		@target = new_target
		@capturing = true
		yield
	ensure
		@target = original_target
		@capturing = original_capturing
	end
	new_target
end

def initialize
	@target = +""
	@capturing = false
end