Each call to Incremental.Make
creates shared state used by all the incremental
functions.
t
is the shared state for this call to Incremental.Make
.
set_max_height_allowed t height
sets the maximum allowed height of nodes.
set_max_height_allowed
raises if called during stabilization, or if height <
max_height_seen t
.
num_active_observers
returns (in constant time) the number of observers that
have been created and not yet disallowed (either explicitly or via
finalization).
constant-time stats.
Stats
contains information about the DAG intended for human consumption.