util: add layer fns to middleware
#524
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This branch adds `AndThen::layer`, `Then::layer`, `MapErr::layer`, `MapRequest::layer`, `MapResponse::layer`, and `MapResult::layer` associated functions that simply return each middleware's associated layer type. This can be more convenient in some cases, since it avoids having to import both the layer type and the middleware type. Similar functions already exist for other middleware, such as `BoxService`.
LucioFranco
approved these changes
Jan 12, 2021
olix0r
approved these changes
Jan 12, 2021
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This branch adds
AndThen::layer,Then::layer,MapErr::layer,MapRequest::layer,MapResponse::layer, andMapResult::layerassociated functions that simply return each middleware's associated
layer type. This can be more convenient in some cases, since it avoids
having to import both the layer type and the middleware type.
Similar functions already exist for other middleware, such as
BoxService.