Thank you. Actually, what I think the best way is to make it an error to use undeclared variable, unlike in JavaScript. If it's a global, is should be declared

Thank you. Actually, what I think the best way is to make it an error to use undeclared variable, unlike in JavaScript. If it's a global, is should be declared in global scope. I really like this way of declaring variables, so please consider it: someVar := 123 //declared and assigned someVar = 456 // reassigned anotherVar = 777 // error: undeclared variable