std::visit_format_arg
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visit_format_arg
(C++20) (deprecated in C++26)
(C++20)(C++20)
(C++20)
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) /* see below */ visit_format_arg( Visitor&& vis, std::basic_format_arg <Context> arg );
(deprecated in C++26)
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] Notes
As of C++26, std::visit_format_arg is deprecated in favor of the visit member functions of std::basic_format_arg .
[edit] Example
This section is incomplete
Reason: no example
Reason: no example
[edit] See also
(C++20)(C++20)
format_args (function template) [edit]