1. explicitinstantiation of template function In a.h, an interface of template function is declared, and the implementation of the template function is defined in a.cc. In a.cc, we should add code to specify certain type of instatiations of the function so that the instantiation can be co...
// 原始模板 template<typename T> class MyClass { void function() { // 通用实现 } }; // 特化版本 template<> class MyClass<int> { void function() { // 针对int类型的特殊实现 } }; 3.重载决议 在C++ 中,模板特化与函数重载是两个不同的概念,它们在编译器决定使用哪个函数版本时的规则也...
templateMyStack<int,6>::MyStack(void); You can explicitly instantiate function templates by using a specific type argument to redeclare them, as shown in the example inFunction template instantiation. You can use theexternkeyword to prevent the automatic instantiation of members. For example: ...
template class String<19>; When you explicitly instantiate a class, all of its members are also instantiated. 6.3.2.3 Explicit Instantiation of Template Class Function Members To explicitly instantiate a template class function member, follow the template keyword by a declaration (not definition) for...
templateMyStack<int,6>::MyStack(void); You can explicitly instantiate function templates by using a specific type argument to redeclare them, as shown in the example inFunction template instantiation. You can use theexternkeyword to prevent the automatic instantiation of members. For example: ...
6.3.2.1 Explicit Instantiation of Template Functions template
The following form of old syntax is also supported: //Explicit specialization of f with 'char' with the //template argument deduced: // void f(char) {...} See AlsoFunction Template Instantiation
template union A<int,55>; //sampleB.C: #include "sample1.h" int main(void){ return A<int, 55>().func(); } sampleB.Cuses the explicit instantiation definition ofA<int, 55>().func()insampleA.C. If an explicit instantiation declaration of a function or class is declared, but ther...
template<B> void bar() {} }; template void Foo::bar<Foo::kA>(); with errors: error C3190: 'void Foo::bar(void)' with the provided template arguments is not the explicit instantiation of any member function of 'Foo' error C2945: explicit instantiation does not refer to...
It seems impossible to explicitly instantiate a templated constructor of a templated class: error: out-of-line constructor for 'S' cannot have template arguments. It works fine for a member function. https://godbolt.org/z/1P9Kcojjf templ...