I wonder how do you handle errors in a function returning Node* which should be writable? Also how do you handle nil pointers during, say, depth-first search. You still need to check for sentinel values, be it null pointer or preallocated nil pointer?
I wonder how do you handle errors in a function returning Node* which should be writable? Also how do you handle nil pointers during, say, depth-first search. You still need to check for sentinel values, be it null pointer or preallocated nil pointer?