params_ref::insert (1 of 3 overloads)

Insert elements.

iterator
insert(
    iterator before,
    param_view const& p);

This function inserts a param before the specified position.

All iterators that are equal to before or come after are invalidated.

Linear in this->url().encoded_query().size().

Strong guarantee. Calls to allocate may throw.

An iterator to the inserted element.

Name	Description
`before`	An iterator before which the param is inserted. This may be equal to `end()`.
`p`	The param to insert.