Module get_extension 

Middleware that gets called with a clone of the value of to given type if it is available in the current input/output extensions.

Structs

GetInputExtension

Middleware for retrieving shareable value from input extensions.

GetInputExtensionLayer

Layer for retrieving some shareable value from input extensions.

GetOutputExtension

Middleware for retrieving shareable value from output extensions.

GetOutputExtensionLayer

Layer for retrieving some shareable value from output extensions.