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 |