params_ref::replace (1 of 3 overloads)

Replace elements.

iterator
replace(
    iterator pos,
    param_view const& p);

This function replaces the contents of the element at pos with the specified param.

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

url u( "?first=John&last=Doe" );

u.params().replace( u.params().begin(), { "title", "Mr" });

assert( u.encoded_query() == "title=Mr&last=Doe" );

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

Strong guarantee. Calls to allocate may throw.

An iterator to the element.

Name	Description
`pos`	An iterator to the element.
`p`	The param to assign.