2 ms·

But if I understand it right, auto_ptr assignment didn't actually copy the pointer, but instead moved it to a new variable and quietly made the original variabl

by kennu 4mo ago

But if I understand it right, auto_ptr assignment didn't actually copy the pointer, but instead moved it to a new variable and quietly made the original variable null? And unique_ptr made this operation require an explicit move() call, because the assignment-only style caused too many null pointer bugs. I'm just curious about this for historical interest.

oezi 4mo ago
Yes, it was a design decision of the auto_ptr to have this move semantics and it worked very nicely for us because we used for instance to pass progress monitors down the stack.