panic_hook.lua
#!/usr/bin/env eco local eco = require 'eco' eco.set_panic_hook(function(traceback1, traceback2) print('panic_hook:') print(traceback1) print(traceback2) end) local function test2() -- call a nil value x() end local function test1() test2() end local function main() eco.run(function () test1() end) end main()