std::visit_format_arg
Defined in header <format> |
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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.
Parameters
| vis | - | a Callable that accepts every possible alternative from arg |
| arg | - | a std::basic_format_arg to be visited |
Return value
The value returned by the selected invocation of the visitor.
Example
See also
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https://en.cppreference.com/w/cpp/utility/format/visit_format_arg
