version 1 .
embeddedType EntityRef.Cap .

# Assertion. Establishes a frame for a request.
Question = <q @request any> .

# Assertion or message. Responds to a question.
Answer = <a @request any @response any> .

# Value. Captures a common "ok-or-error" pattern as seen in e.g. Rust.
Result = <ok @value any> / <error @error any> .