boost::urls::named_arg :: Boost Libraries Documentation

# boost::urls::named_arg

A temporary reference to a named formatting argument

## Synopsis

Declared in `<boost/url/format.hpp>`

    template<class T>
    using named_arg = /* implementation-defined */;

## Description

This class represents a temporary reference to a named formatting argument used by the `format` function.

Named arguments should always be created with the `arg` function.

Any type that can be formatted into a URL with the `format` function can also be used in a named argument. All named arguments are convertible to `format_arg` and can be used in the `format` function.

## See Also

`arg`, `format`, `format_to`, `format_arg`.

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