[depr.format.arg]

# Annex D (normative) Compatibility features [[depr]](./#depr)

## D.20 Deprecated formatting [[depr.format]](depr.format#arg)

### D.20.2 Formatting arguments [depr.format.arg]

[ð](#lib:visit_format_arg)

`template<class Visitor, class Context>
  decltype(auto) visit_format_arg(Visitor&& vis, basic_format_arg<Context> arg);
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/future.tex#L769)

*Effects*: Equivalent to: return visit(std​::​forward<Visitor>(vis), arg.value);
