Tags down


C++ Template Specialization and Subclassing

By : JiaHong
Date : October 18 2020, 06:10 PM
This might help you The probelm is, the primary template is an exact match when T being deduced as B; it's a better match than the specialization.
You can use template overloading instead; with SFINAE.
code :
template <typename T>
std::enable_if_t<!std::is_base_of_v<A, T>> foo(const T& t) {

template <typename T>
std::enable_if_t<std::is_base_of_v<A, T>> foo(const T& t) {

Share : facebook icon twitter icon

Explicit template specialization cannot have a storage class - member method specialization

By : user3323424
Date : March 29 2020, 07:55 AM
it should still fix some issue Say I have the following code in Visual Studio ,
Any suggestions on how I can make the last method static?
code :
struct foo {
  template<typename T>
  void bar() {}

  template<typename T>
  static void baz() {}

int main() {
  foo f;
  f.template bar<void>();

Nested class template full specialization versus partial specialization

By : HexxCube
Date : March 29 2020, 07:55 AM
it helps some times This is an XY problem. You have to simply move it outwards.
code :
template < >
struct Apply::Inheritance< >


Explicit function template specialization picks the wrong specialization

By : Javier Guerrero
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have 2 functions inside a class, one is the default specilization of the operator+= which expects a function of some sort, whilst the second specilization expects an EventHandler, here is the implementation: , To properly specialize, just use
code :
timed_function<_Sig>& operator+=<const EventHandler<_Sig>>...

template subclassing with partial specialization

By : Pat
Date : March 29 2020, 07:55 AM
will be helpful for those in need Consider the following , Try this:
code :
template<std::size_t dim>
using foo =  typename derived<dim>::type;
foo<n> bar;

undefined reference to full template specialization class member function, but not partial specialization

By : Komal
Date : March 29 2020, 07:55 AM
This might help you You have to declare partial and explicit specializations in every translation unit that uses them (before any use that would implicitly instantiate that specialization). Here, that would look like
code :
template<class T> class A<T,int>;
template<> class A<int,int>;
Related Posts Related Posts :
  • Function is called twice from the same thread for the same object with the same call stack
  • Filling char pointer correctly
  • How Base class members gets copied in inheritance when we copy/assign derived class objects?
  • call method from a function pointer
  • Is it common to declare const pointers in C++?
  • How to check whether new threads created inside third party DLL in visual c++ application
  • I cannot convert a '2D array whit bool' to a 'void 2D array bool'(for game of life)
  • How to send variables between classes in Qt
  • What are the similarities and differences between C++'s concepts and Rust's traits?
  • Variadic templates in C++ 11 and class constructors
  • getting segmentation fault when copying arrays using std::copy
  • std::cout is decreasing CPU Usage?
  • Trying to use find_if function to locate value in vector of pairs by first element
  • Lottery simulator is returning garbage values and not the users lotto numbers and the winning numbers
  • error: expression must have integral or unscoped enum type when incrementally filling in vectors
  • auto fail to deduce correct return type
  • Pass string or wstring in a function
  • Is there a way to get some function called on every thread that gets created?
  • How can I enforce two function parameters have the same template type?
  • Using strcpy_s() and strcat_s() with dynamically allocated strings
  • Tensorflow Lite arm64 error: cannot convert ‘const int8x8_t?
  • How to pass `this` pointer from outer class to a member structure?
  • Storing integers values from file into a vectors of vector
  • Why `static` functions in different TUs do not break the ODR?
  • Base class and templates
  • boost::asio allow non-blocking accept of new connections while handler for connection is blocking
  • How to write custom comparator for std::minmax function for datatype vector<glm::vec3> (opengl datatype)
  • Confused about * and & with pointers
  • What's the value in memory?
  • Qt - How to handle memory management for dialogs?
  • Why am I having trouble compiling a templated class?
  • Understanding which method will be invoked
  • Why does bool casting is called?
  • Insert string at linking time
  • How to use a C++ lambda to convert a member function pointer to a normal function pointer for use as a callback
  • Is the Intel C++ Compiler (19.0) now only using the Clang front-end (i.e. already abandoned EDG)?
  • Why does deleting the move constructor cause a compile error?
  • How can I make sure my random number between 0 and 1 generated by rand is not 0?
  • How will I pass ranges instead of iterator-pairs in C++20?
  • Use std::optional as a regular pointer vs use has_value() and value
  • How to interlace string with one character?
  • Derived class from Template argument doesn't have protected member access
  • Parallel For Loops: Find if a sorted array contains duplicate elements
  • Casting a reference to a base class: standard behaviour?
  • How to check dllmain function is returning false
  • How to update the attributes of an object?
  • How do I extract an integer in a string?
  • Why code give segmentation fault on inputs greater than 10?
  • Is it possible to access a Public Class Member from outside of the main() where it is created?
  • Why do we need .lib file in case of importing functions from .dll?
  • Why is ranges::ostream_iterator default-constructible?
  • Definition of a C++ variable, section Basic/6
  • How to add arithmetic operators to std::array?
  • Is it possible to to create a vector filled with zeros of size N using template meta programming in c++11
  • Problem about implementation of a stack in C++
  • Which of these pointer comparisons should a conforming compiler be able to optimize to "always false"?
  • Data Structure to represent command packet format
  • Can't find the error in my cpp or header file, class construction failing
  • How can I find substring in a vector in c++
  • Is it possible to pass std::deque's member functions as a parameter?
  • shadow
    Privacy Policy - Terms - Contact Us © 35dp-dentalpractice.co.uk