main begin
fun begin
goroutine 1 [running]:
runtime/debug.Stack(0xc000088060, 0xc00009a000, 0xa)
/usr/local/Cellar/go/1.11.1/libexec/src/runtime/debug/stack.go:24 +0xa7
runtime/debug.PrintStack()
/usr/local/Cellar/go/1.11.1/libexec/src/runtime/debug/stack.go:16 +0x22
main.fun.func1()
/Users/xxx/test/a.go:10 +0x46
panic(0x10a9760, 0x115d520)
/usr/local/Cellar/go/1.11.1/libexec/src/runtime/panic.go:513 +0x1b9
main.fun()
/Users/xxx/test/a.go:16 +0x7f
main.main()
/Users/xxx/test/a.go:24 +0x66
xxx goroutine 1 [running]:
runtime/debug.Stack(0xc00007ada8, 0x10a9760, 0x115d520)
/usr/local/Cellar/go/1.11.1/libexec/src/runtime/debug/stack.go:24 +0xa7
main.fun.func1()
/Users/xxx/test/a.go:11 +0x4b
panic(0x10a9760, 0x115d520)
/usr/local/Cellar/go/1.11.1/libexec/src/runtime/panic.go:513 +0x1b9
main.fun()
/Users/xxx/test/a.go:16 +0x7f
main.main()
/Users/xxx/test/a.go:24 +0x66
main end