wasm-wasi-preview1-core/at.released.weh.wasi.preview1.type/Subscription/u

u

Parameters

The type of the event to which to subscribe, and its contents

Definition:

(typename $subscription
  (record
    ;;; User-provided value that is attached to the subscription in the
    ;;; implementation and returned through `event::userdata`.
    (field $userdata $userdata)
    ;;; The type of the event to which to subscribe, and its contents
    (field $u $subscription_u)
  )
)