Struct Map 

pub struct Map<T, Req>
where
    T: Target<Req>,
{ /* private fields */ }

Available on crate features client and client-pool only.

A map caching MakeServices per key.

Create one with the Map::builder().

Implementations

impl Map<StartHere, StartHere>

pub fn builder<Dst>() -> Builder<Dst, WantsKeyer, WantsServiceMaker>

Create a Builder to configure a new Map.

impl<T, Req> Map<T, Req>

where T: Target<Req>, T::Key: Eq + Hash,

pub fn service(&mut self, req: &Req) -> &mut T::Service

Get a service after extracting the key from req.

pub fn retain<F>(&mut self, predicate: F)

where F: FnMut(&T::Key, &mut T::Service) -> bool,

Retains only the services specified by the predicate.

pub fn clear(&mut self)

Clears the map, removing all key-value pairs.