[−][src]Function jws::get_header_param
pub fn get_header_param<'a>(
protected: Option<&'a JsonObject>,
unprotected: Option<&'a JsonObject>,
key: &str
) -> Option<&'a JsonValue>
Get a parameter from either the protected or unprotected header, depending on which are available and which has the parameter.
If a parameter is found in the protected header, the unprotected header is not consulted anymore.