Module header

Header Filters

These filters are used to interact with the Request HTTP headers. Some of them, like exact and exact_ignore_case, are just predicates, they don’t extract any values. The header filter allows parsing a type from any header.

Functions

• exact
  Create a Filter that requires a header to match the value exactly.
• exact_ignore_case
  Create a Filter that requires a header to match the value exactly.
• header
  Create a Filter that tries to parse the specified header.
• headers_cloned
  Create a Filter that returns a clone of the request’s HeaderMap.
• optional
  Create a Filter that tries to parse the specified header, if it exists.
• value
  Create a Filter that gets a HeaderValue for the name.