Module capnp::capability

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Hooks for for the RPC system.

Roughly corresponds to capability.h in the C++ implementation.


An untyped client.
The values of the parameters passed to a method call, as seen by the server.
A computation that might eventually resolve to a value of type T or to an error of type E. Dropping the promise cancels the computation.
A promise for a result from a method call.
A method call that has not been sent yet.
A response from a method call, as seen by the client.
The return values of a method, written in-place by the method body.


Trait implemented (via codegen) by all user-defined capability client types.
Trait to track the relationship between generated Server traits and Client structs.
An untyped server.


Gets the “resolved” version of a capability. One place this is useful is for pre-resolving the argument to capnp_rpc::CapabilityServerSet::get_local_server_of_resolved().