Dec 9, 2024 · std::function can store, copy, and invoke any CopyConstructible Callable target -- functions (via pointers thereto), lambda expressions , bind expressions , or other function objects, as …

Jan 7, 2025 · A function is a C language construct that associates a compound statement (the function body) with an identifier (the function name). Every C program begins execution from the main …

May 3, 2025 · A function declaration introduces the function name and its type. A function definition associates the function name/type with the function body.

Oct 2, 2023 · A function declaration may appear in any scope, but a function definition may only appear in namespace scope or, for member and friend functions, in class scope.

std::function might use. When the target is a function pointer or a std::reference_wrapper , small object optimization is guaranteed, that is, these targets are always directly stored inside the std::function …

Jul 3, 2017 · Comprehensive reference for the C programming language, including syntax, library functions, and examples.

Mar 30, 2025 · This page was last modified on 30 March 2025, at 11:18.

The type deduced by these deduction guides may change in a later standard revision (in particular, this might happen if noexcept support is added to std::function in a later standard).

Jul 13, 2023 · Every C program coded to run in a hosted execution environment contains the definition (not the prototype) of a function named main , which is the designated start of the program.

Apr 16, 2025 · An explicit instantiation definition forces instantiation of the function or member function they refer to. It may appear in the program anywhere after the template definition, and for a given …