std::visit_format_arg
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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) (deprecated in C++26) |
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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
| This section is incomplete Reason: no example |
See also
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(C++20)(C++20)
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creates a type-erased object referencing all formatting arguments, convertible to format_args (function template) |