import "github.com/egdaemon/eg/runtime/wasi/egunsafe/ffigraph"
func TraceErr(ctx context.Context, op node, fn func(ctx context.Context) error) error
func Wrap(ctx context.Context, op node, fn func(ctx context.Context))
type Eventer interface {
OpInfo(ts time.Time, cause error, path []string) *events.Op
}
type Traceable interface {
Tracer() Eventer
}