Flags control runtime behavior of the DCG.
NameChoice, and use
Structural behavior instead
After each Adapton operation, check that the DCG is well-formed
Within each well-formedness check, write the DCG to the local filesystem
Deprecated: At certain points in the Engine's code, write state changes as graph-movie output TODO: To be replaced with DCG reflection, and reflection-to-filesystem logic.
impl RefUnwindSafe for Flags
impl UnwindSafe for Flags
type Error = Infallible
The type returned in the event of a conversion error.