http::header::set (3 of 4 overloads)

Set a field value, removing any other instances of that field.

void
set(
    string_view name,
    string_view const& value);

First removes any values with matching field names, then inserts the new field value. The value can be an empty string.

Name	Description
`name`	The field name. It is interpreted as a case-insensitive string.
`value`	The value of the field, as a `boost::beast::string_view`

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