pub fn response_header(
    header_name: impl Into<HeaderName<'static>>
) -> impl LogFormatter
Expand description

formatter-builder for a particular response header, formatted wrapped in quotes. "" if the header is not present

usage:

Logger::new().with_formatter(("location: ", response_header(trillium::KnownHeaderName::Location)));
// or
Logger::new().with_formatter(("location: ", response_header("Location")));

note: this is not a formatter itself, but returns a formatter when called with a header name