sfinae

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SFINAE tried with bool gives compiler error: "template argument ‘T::value’ involves template parameter" [duplicate]

This question already has answers here: Why is it disallowed for partial specialization in a non-type argument to use nested template parameters[详细]

2023-04-13 09:27 分类：问答
Type not inherited in SFINAE for multiple inheritance?

I am using a SFINAE mechanism to deduce a type. Resolve<T>::type is deduced to T if class T doesn\'t contain yes and it\'s deduced to MyClass if it contains yes.[详细]

2023-04-12 02:09 分类：问答
Is it possible to specialize a template definition based on the existence of a nested typedef of a template type parameter?

I have a template, template <typename T> class wrapper, that I would like to specialize based on the existence of typename T::context_type. If typename T::context_type is declared, then the cons[详细]

2023-04-09 01:40 分类：问答
Why SFINAE trick doesn't work for non-class type when tried for class member pointer?

With curiosity, I was trying an alternate implementation of is_class construct using the sizeof() trick. Following is the code:[详细]

2023-03-17 12:40 分类：问答
How to determine if a class contains a subclass / type?

Can we have a SFINAE trick to know, if the class has certain subclass/type. Something like, template<typename TYPE> // searches for \"my_type\"[详细]

2023-03-16 14:51 分类：问答
Differentiate between ambiguous member request error and member does not exist error in SFINAE context?

Edit: Posted an answer of my own, kept the original accepted answer... got me thinking about aliases.[详细]

2023-03-11 19:25 分类：问答
Test for existence of std::ostream operator<< via SFINAE GCC bug?

I decided to try my own hand at a bit of Substitution Failure Is Not A Erro开发者_JAVA技巧r (SFINAE) code to test if the global operator<< is defined for a custom type.[详细]

2023-03-10 21:35 分类：问答
MSVC10 SFINAE causing fatal error rather than substitution failure

I\'ve got a (relatively) brief code sample here. #include <type_traits> template&开发者_运维问答lt;typename T> class function;[详细]

2023-03-06 05:58 分类：问答
Detect operator support with decltype/SFINAE

A (somewhat) outdated article explores ways to use decltype along with SFINAE to detect if a type supports certain operators, such as == or <.[详细]

2023-03-01 12:21 分类：问答
SFINAE doesn't detect T::reference

The std::vector<T> class is a model of the STL Container concept, and as such any proper implementation of vector has to include a nested typedef value_type as well as reference.This should be d[详细]

2023-03-01 12:03 分类：问答