params_ref::erase (3 of 3 overloads)

Erase elements.

std::size_t
erase(
    string_view key,
    ignore_case_param ic = {});

All iterators are invalidated.

this->count( key, ic ) == 0

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

Throws nothing.

The number of elements removed from the container.

Name	Description
`key`	The key to match. By default, a case-sensitive comparison is used.
`ic`	An optional parameter. If the value `ignore_case` is passed here, the comparison will be case-insensitive.