# File lib/rack/file.rb, line 58 def serving if size = F.size?(@path) body = self else body = [F.read(@path)] size = Utils.bytesize(body.first) end [200, { "Last-Modified" => F.mtime(@path).httpdate, "Content-Type" => Mime.mime_type(F.extname(@path), 'text/plain'), "Content-Length" => size.to_s }, body] end