Map used to store values of nodes that must be evaluated once in the system (AOnceExpr)

Property definitions

nitc $ NaiveInterpreter :: _onces
	# Map used to store values of nodes that must be evaluated once in the system (`AOnceExpr`)
	var onces: Map[ANode, Instance] = new HashMap[ANode, Instance]
src/interpreter/naive_interpreter.nit:207,2--208,63