#!/usr/bin/envktapfunctionfailed(){
printf("failed\n");exit(-1);
}
#-----------------------------------------#
if(false){
failed()
}
if(nil){
failed()
}
#ktaponlythinkfalseandnilis"real false",number0istrue
#it's same as lua# Might change it in future, to make similar with Cif (0) { #failed()}