Sorry for the blurry title, I seem to be missing something. I was hesitant to post this, because it seems so basic, but I can\'t get it to work. My IDE tells me the fo开发者_运维技巧llowing is incorr
Is there an equivalent Bash operator to Perl\'s logical defined-or?Some开发者_运维百科thing akin to:
I have two classes - base class A and derived class B - and I write this A obj; B obj2; obj = obj2; What would actually happen if I have yet to overide any assigment operators? Would this just copy
I have a simple struct Wrappe开发者_运维问答r, distinguished by two templated assignment operator overloads:
Does the compiler generated assignment operator guard against self assignment? class T { int x; public: T(int X = 0): x(X) {}
if I have the following bool: 开发者_JAVA百科bool success = true; Will the following three lines of code store the same results in success:
This question already has answers here:开发者_Go百科 Why cannot a non-member function be used for overloading the assignment operator?
If I override operator= will the copy constructor automatically use the new operator? Similarly, if I define a copy constructo开发者_高级运维r, will operator= automatically \'inherit\' the behavior fr
This is an old examination question which asks us to write assignment operators and copy constructors, destructors when that make sense.
This question already has answers here: Closed 11 years ago. Possible Duplicates: What is the copy-and-swap idiom?