# File lib/rack/showexceptions.rb, line 23 23: def call(env) 24: @app.call(env) 25: rescue StandardError, LoadError, SyntaxError => e 26: backtrace = pretty(env, e) 27: [500, 28: {"Content-Type" => "text/html", 29: "Content-Length" => backtrace.join.size.to_s}, 30: backtrace] 31: end