Assignment Search Framework
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Defines the possible slocations for a state in the open list.
Below is the meaning of each of the values:
open - in the open list.
closed - in the closed list.
none - not currently stored in open or closed.
Defines the possible statuses for a search engine.
Below is the meaning of each of the values:
not_ready - the engine is not ready for search.
ready - the engine is ready for search.
active - the engine is currently searching, no solution has been found yet.
terminated - the engine has finished searching.