type Choice

bendvy-ecs-core@0.1.0.4 · captured_schedule_composition.bend:20

import Base

20# Detached heterogeneous error sum used when composing registered systems.
21# LeftError and RightError identify the originating error branch; it carries
22# neither the World nor affine system owners, which return separately.
23type Choice<L:Data,R:Data> is Data:
24  LeftError{error:L}
25  RightError{error:R}