std::visit_format_arg
From cppreference.com
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
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| arg | - | a std::basic_format_arg to be visited |
Return value
The value returned by the selected invocation of the visitor.
Notes
As of C++26, std::visit_format_arg is deprecated in favor of the visit member functions of std::basic_format_arg
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) |