package session

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Session-related signatures and types.

type error =
  1. | Not_found
    (*

    The key was not found.

    *)
  2. | Not_set
    (*

    The key was found but had no associated value.

    *)

The type of a session error.

These will only be returned by the S.Now.get and S.Future.get operations.

module type Now = sig ... end

The signature for synchronous backends.

module type IO = sig ... end

The signature for a blocking computations.

module type Thread_IO = sig ... end

The signature for blocking computations that can run synchronous computations in a separate thread

module type Future = sig ... end

The signature for asynchronous backends.

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