A function template defines a family of functions.| en.cppreference.com
Every template is parameterized by one or more template parameters.| en.cppreference.com
Class templates, function templates (including generic lambdas), and other templated functions (typically members of class templates) might be associated with a constraint , which specifies the requirements on template arguments, which can be used to select the most appropriate function overloads and template specializations.| en.cppreference.com
Introduces implementation-defined attributes for types, objects, code, etc.| en.cppreference.com
C++| en.cppreference.com
Constructs a closure (an unnamed function object capable of capturing variables in scope).| en.cppreference.com
The C++ Core Guidelines are a set of tried-and-true guidelines, rules, and best practices about coding in C++| isocpp.github.io
Reduces (folds) a pack over a binary operator.| en.cppreference.com