Extracts request data into type-safe structs using Serde.
Extractors are added to route definitions when defining a
QueryStringExtractor traits provide usage examples.
The request data is extracted by the
Route implementation when dispatching the request. The
application-provided data structure which implements the extractor trait is used to deserialize
the data and store it within the request
State before the request is dispatched to the
Defines a binding for storing the dynamic segments of the
Defines a binding for storing the query parameters from the