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c++ Programming Glossary: dereferencesPointer expressions: *ptr++, *++ptr and ++*ptr http://stackoverflow.com/questions/18481740/pointer-expressions-ptr-ptr-and-ptr here are the three things you asked about ptr effectively dereferences the pointer then increments the pointer ptr effectively increments.. the pointer ptr effectively increments the pointer then dereferences the pointer ptr effectively dereferences the pointer then increments.. the pointer then dereferences the pointer ptr effectively dereferences the pointer then increments dereferenced value And here's a..
When does invoking a member function on a null instance result in undefined behavior? http://stackoverflow.com/questions/2474018/when-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha crash because the this pointer is never used. Because b dereferences the this pointer this .x 5 and this is null the program enters..
Reference Parameters in C++: VERY basic example please http://stackoverflow.com/questions/2564873/reference-parameters-in-c-very-basic-example-please a bit unsafe. swap nullptr nullptr swaps two nothings and dereferences null pointers...undefined behavior Fixable with some checks..
How do I use “this” in a member function? http://stackoverflow.com/questions/2761918/how-do-i-use-this-in-a-member-function because it is applied to the result of postfix i.e. it dereferences whatever is returned by postfix . postfix doesn't return anything..
This code appears to achieve the return of a null reference in C++ http://stackoverflow.com/questions/2894891/this-code-appears-to-achieve-the-return-of-a-null-reference-in-c code doesn't work though it may appear to work. This line dereferences a null pointer return static_cast MyType 0 The zero cast to..
Is there a dereference_iterator in the STL? http://stackoverflow.com/questions/352152/is-there-a-dereference-iterator-in-the-stl I was wondering if there is an iterator in the STL that dereferences the object pointed before returning it. This could be very useful..
http://stackoverflow.com/questions/4896238/overloading-operator operator to return a reference overload operator pointer dereferences should indeed produce references. share improve this answer..
Does the 'offsetof' macro from <stddef.h> invoke undefined behaviour? http://stackoverflow.com/questions/6433339/does-the-offsetof-macro-from-stddef-h-invoke-undefined-behaviour const volatile char s 0 m ^^^^^^^^^^^ As can be seen it dereferences a null pointer which normally invokes undefined behaviour. Is..
Uses for multiple levels of pointer dereferences? http://stackoverflow.com/questions/758673/uses-for-multiple-levels-of-pointer-dereferences for multiple levels of pointer dereferences When does using pointers in any language require someone to..
How to implement an STL-style iterator and avoid common pitfalls? http://stackoverflow.com/questions/8054273/how-to-implement-an-stl-style-iterator-and-avoid-common-pitfalls iterator reference operator const iterator operator int dereferences may only be on the left side of an assignment once an input..
http://stackoverflow.com/questions/9005835/range-based-for-in-c11 words it already iterates from begin to end and already dereferences the iterator which you never get to see. share improve this..
http://stackoverflow.com/questions/988158/take-the-address-of-a-one-past-the-end-array-element-via-subscript-legal-by-the creates a pointer to one past the end of array . array 4 1 dereferences array 4 which is perfectly safe takes the address of that lvalue.. pointer but that pointer never gets dereferenced. array 5 dereferences array 5 which as far as I can see is legal and results in an..
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