Module hash_walk 

Modules

flag

Sentinel flag values mixed into structural hashes.

Functions

hash_fsm

Hash a fully-hashable FSM (all referenced rules already hashed, or self-recursive). Returns (hash, new_state_id_mapping).

partial_hash_fsm

Partially hash an FSM: tolerated when up to one referenced rule is unhashed and that edge starts at the start state. None otherwise.