Concepts bodies are now evaluated on demand

2020-02-27 10:48:45 +01:00
parent 7cd94e888f
commit ef31a4807d
25 changed files with 468 additions and 172 deletions
@@ -53,6 +53,7 @@ class BuiltinConcepts(Enum):
    WHERE_CLAUSE_FAILED = "where clause failed"  # failed to validate where clause during evaluation
    CHICKEN_AND_EGG = "chicken and egg"  # infinite recursion when declaring concept
    ISA = "is a"  # builtin concept to express that a concept is an instance of another one
+    CONCEPT_VALUE_REQUESTED = "concept value requested"  # returns the body of the concept instead of the concept itself

    NODE = "node"
    GENERIC_NODE = "generic node"