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C template template parameter

C   template template parameter
C template template parameter In order for a template to be instantiated, every template parameter (type, non-type, or template ) must be replaced by a corresponding template argument. For class templates , the arguments are either explicitly provided, deduced from the initializer, (since C++17) or defaulted.

Template parameters and template arguments - cppreference.com

In order for a template to be instantiated, every template parameter (type, non-type, or template ) must be replaced by a corresponding template argument. For class templates , the arguments are either explicitly provided, deduced from the initializer, (since C++17) or defaulted.

https://en.cppreference.com /w/cpp/language/template_parameters

c++ - What are some uses of template template parameters ...

Those template classes don't have anything in common except for meta-interface/protocol, and using template template parameter allows to capture the commonality in all of them. Before proceeding to write a template though, it's worth to check a reference to recall that sequence containers accept 2 template arguments - for value type and allocator.

https://stackoverflow.com /questions/213761/what-are-some-uses-of-template-template-parameters

Template template arguments (C++ only) - IBM

Template template arguments (C++ only) A template argument for a template template parameter is the name of a class template . When the compiler tries to find a template to match the template template argument, it only considers primary class templates . (A primary template is the template that is being specialized.)

https://www.ibm.com /support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.cbclx01/template_template_arguments.htm

Types-, Non-Types, and Templates as Template Parameters ...

Line 1 declares a class template which has two template parameters . Okay, the first parameter is the type of the elements and the second parameter stands for the container. Let's have a closer look at the second parameter : template <typename, typename> class Cont >.

https://modernescpp.com /index.php/types-non-types-and-templates-as-template-parameters

C++ - Template template parameters | c++ Tutorial

c++ documentation: Template template parameters . Example. Sometimes we would like to pass into the template a template type without fixing its values.

https://riptutorial.com /cplusplus/example/10838/template-template-parameters

c++ - Template template parameters - Stack Overflow

To answer your question in the comments: template template template parameters are not possible. However, the reason they are not possible is just because the standardisation committee decided that template templates were enough, probably to make lives easier for the compiler implementors.

https://stackoverflow.com /questions/6484484/template-template-parameters

c++ - Specialization and template template parameters ...

if C and T always have to be path and allocator, why should they be template parameters ? - stijn Jan 10 '11 at 14:54 I guess I'm not good at this question asking! :-) I would like to specialize the template for those cases.

https://stackoverflow.com /questions/4647941/specialization-and-template-template-parameters

Templates (C++) | Microsoft Docs

T is a template parameter ; the typename keyword says that this parameter is a placeholder for a type. When the function is called, the compiler will replace every instance of T with the concrete type argument that is either specified by the user or deduced by the compiler.

https://docs.microsoft.com /en-us/cpp/cpp/templates-cpp

Templates - C++ Tutorials

In C++ this can be achieved using template parameters . A template parameter is a special kind of parameter that can be used to pass a type as argument: just like regular function parameters can be used to pass values to a function, template parameters allow to pass also types to a function.

https://www.cplusplus.com /doc/oldtutorial/templates/

C++ Common Knowledge: Template Template Parameters ...

As with a function definition, the name of a template parameter is required only in a template definition and only if the parameter name is used in the template . However, as with formal arguments in function declarations, it's common to give names to template parameters in template declarations to help document the template .

https://www.informit.com /articles/article.aspx?p=376878

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