Partial template specialization is a particular form of class template specialization. Usually used in reference to the C++ programming language, it allows the programmer to specialize only some arguments of a class template, as opposed to explicit specialization, where all the template arguments are provided.
Questions tagged [partial-specialization]
316 questions
0
votes
1 answer
Partial deduction of template parameter using constructor
I have seen this asked before in several ways, and all the solutions are always the same: use a helper function or even use nested classes. For me, both of those solutions look clumpsy. So I wonder how come in the c++17/c++20 era there is not better…
Pablo
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0
votes
1 answer
Partial specialization of typedef
I want to have a type which is either a typedef or a class. Thus, something like this
template< typename T > class A { };
template< typename T > using X< T, true > = T;
template< typename T > using X< T, false > = A< T >;
Obviously, this does not…
tommsch
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2 answers
Content of class method determined by the template value
By using c++ 14 or c++11, do we have an elegant approach to do the following task? Number of members and type of operations are determined by the template input value 'count'
template
class show{
public:
run(){
…
picklesmithy129
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- 8
0
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0 answers
E0312 IntelliSense Cannot convert _Binder
I am trying to make an Event Handler system on my project, and it is already working as expected, but the IDE are accusing an error that I have no idea how to solve. As I said, everything is working, compiling and running normally, but I would like…
Igor Segalla
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- 1
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votes
1 answer
Partial specialization C++
Good day!
I am trying to build a template class with its several partial specializations as follows:
#include
struct MainT {};
struct Foo {};
template
struct Tensor {};
template
struct Bar {
using Sub =…
Vladimir Ivannikov
- 147
- 5
0
votes
2 answers
Partial specialization and const conundrum in C++11
A class template:
template class MyTemplate;
I want to partially specialize this class so that when X is a const type, Y is an int and that partial specialization code is chosen if I create an object such as:
MyTemplate
Edward Diener
- 127
- 3
0
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0 answers
Making sense of class parameter pack in variadic templates
template
struct Tuple { };
template<
typename T,
typename... Rest // Template parameter pack
>
class Tuple { // Class parameter pack [1]
T first;
Tuple rest; …
Bruce
- 33,927
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votes
1 answer
Is it possible to mix SFINAE and template specialisation?
Here is what I am roughly trying to achieve:
// the declaration
template
struct ArgsEstimate;
// specialisation for string, SFINAE would be overkill
template
struct ArgsEstimate {
…
tinkerbeast
- 1,707
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- 42
0
votes
1 answer
C++ Undeclared Identifier in Template Template Parameter
I have a C++ class that is templatized like so:
template
class MyClass;
Where Operator can also be templatized itself into:
template
class MyOperator;
Now, when I try to write…
James
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votes
1 answer
std::enable_if in partial specialization method of a templated class in C++
I have the following code:
template
class Data
{
public:
int size() const;
private:
T m_data;
};
I want to implement the size() method using template specialisation methods. For a std::string it would look like this (in the…
Cherub
- 17
- 4
0
votes
1 answer
C++ Templated class function that can detect std::vector
If I have a templated class, I can do the following to detect if a vector was passed:
template struct is_vector { static const bool value=false; };
template struct is_vector> { static const bool value=true;…
Dosisod
- 307
- 2
- 15
0
votes
0 answers
Inherit itself using partial specialization
I have a class A which defines a lot of functions and I want to create a partial specialization of A which defines some more functions. I've read about a class inheriting itself but only with full specialization. So
template
struct A
{
…
user7769147
- 1,559
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0
votes
3 answers
Is there a way to partially specialize a template with parameter packs for a recursive function?
I'm trying to make a print function in C++ that takes in variable numbers of arguments and prints them each on their own line, like:
template
void println(Ty cur_line, Types... other_lines)
{
std::cout << cur_line…
Drake Johnson
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0
votes
1 answer
How to define static member variable from class template with specialization?
OK I have this code:
// default implementation just uses a mutex to serialize access
template
struct kernport {
static const bool atomic = false;
// constructor
kernport(T value=T()) {
set(value);
…
gct
- 14,100
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0
votes
1 answer
Generating type conversion functions using templates and partial specialization
I want to generate type-safe conversions between two sets of types using templates. The base case looks like this:
template struct ATraits {};
template struct BTraits {};
template <> struct ATraits { using AType =…
Krzysztof Kosiński
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