Exit exit function with exit code.

Mode sets the exit mode for the exit.Exit call.

MNone set the exit mode at default.

MPanic set the exit mode to panic.

ExitMode is the current exit mode.

Handler exit handlinggo:generate ifacemaker -f exit.go -s Handler -p exit -i HandlerIface -o exit_interfaces.go -c "AUTO GENERATED.

HandlerIface ...