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std::visit_format_arg

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< cpp‎ | utility‎ | format
 
 
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Defined in header <format>
template<class Visitor, class Context>
/*see below*/ visit_format_arg(Visitor&& vis, std::basic_format_arg<Context> arg);
(since C++20)

Applies the visitor vis to the object contained in arg. Equivalent to

std::visit(std::forward<Visitor>(vis), value)

where value is the std::variant stored in arg.

Contents

[edit] Parameters

vis - a Callable that accepts every possible alternative from arg
arg - a std::basic_format_arg to be visited

[edit] Return value

The value returned by the selected invocation of the visitor.

[edit] Example

[edit] See also