boost::urls::arg

Designate a named argument for a replacement field

Synopsis

Declared in <boost/url/format.hpp>

template<class T>
named_arg<T>
arg(
    core::string_view name,
    T const& arg);

Description

Construct a named argument for a format URL string that contains named replacement fields.

The function parameters should be convertible to an implementation defined type able to store the name and a reference to any type potentially used as a format argument.

Example

The function should be used to designate a named argument for a replacement field in a format URL string.


assert(format("user/{id}", arg("id", 1)).buffer() == "user/1");

Return Value

A temporary object with reference semantics for a named argument

Parameters

Name	Description
name	The format argument name
arg	The format argument value