def record

bendvy-ecs-core@0.1.0.4 · transaction.bend:106

import Base
import bendvy-ecs-core@0.1.0.4/trace_facts.bend as TraceFacts

106# Append an operation observation through the current tracing state.
107# Disabled tracing retains its disabled state; facts confer no write authority.
108def record(~W:Type,~E:Data,tx:Tx<W,E>,fact:TraceFacts.Fact) -> Tx<W,E>:
109  match tx:
110    case Tx{world,undo,commands,events,trace}:Tx{world,undo,commands,events,TraceFacts.append(trace,fact)}