Added is_lesser and is_greatest in SheerkaComparison

src/core/builtin_concepts.py

@@ -72,7 +72,7 @@ class BuiltinConcepts(Enum):
     IS_EMPTY = "is empty"  # when a set is empty
     NO_RESULT = "no result"  # no return value returned
     INVALID_RETURN_VALUE = "invalid return value"  # the return value of an evaluator is not correct
-    CONCEPT_ALREADY_DEFINED = "concept already defined"  # when you try to add the same concept twice
+    ALREADY_DEFINED = "already defined"  # when you try to add the same object twice (a concept or whatever)
     NOP = "no operation"  # no operation concept. Does nothing
     CONCEPT_EVAL_ERROR = "concept evaluation error"  # cannot evaluate a property or metadata of a concept
     ENUMERATION = "enum"  # represents a list or a set
@@ -91,6 +91,8 @@ class BuiltinConcepts(Enum):
     FORMAT_INSTRUCTIONS = "format instructions"  # to express how to print the concept
     NOT_IMPLEMENTED = "not implemented"  # instead of raise an error
     PYTHON_SECURITY_ERROR = "security error"  # when trying to execute statement when only expression is allowed
+    INVALID_LESSER_OPERATION = "Invalid lesser operation"
+    INVALID_GREATEST_OPERATION = "Invalid greatest operation"
 
     NODE = "node"
     GENERIC_NODE = "generic node"
@@ -152,6 +154,9 @@ BuiltinUnique = [
 
     BuiltinConcepts.ISA,
     BuiltinConcepts.COMMAND,
+
+    BuiltinConcepts.INVALID_LESSER_OPERATION,
+    BuiltinConcepts.INVALID_GREATEST_OPERATION,
 ]
 
 BuiltinErrors = [str(e) for e in {
@@ -164,14 +169,16 @@ BuiltinErrors = [str(e) for e in {
     BuiltinConcepts.TOO_MANY_ERRORS,
     BuiltinConcepts.MULTIPLE_ERRORS,
     BuiltinConcepts.INVALID_RETURN_VALUE,
-    BuiltinConcepts.CONCEPT_ALREADY_DEFINED,
+    BuiltinConcepts.ALREADY_DEFINED,
     BuiltinConcepts.CONCEPT_EVAL_ERROR,
     BuiltinConcepts.CONCEPT_ALREADY_IN_SET,
     BuiltinConcepts.NOT_A_SET,
     BuiltinConcepts.CONDITION_FAILED,
     BuiltinConcepts.CHICKEN_AND_EGG,
     BuiltinConcepts.NOT_INITIALIZED,
-    BuiltinConcepts.NOT_FOUND
+    BuiltinConcepts.NOT_FOUND,
+    BuiltinConcepts.INVALID_LESSER_OPERATION,
+    BuiltinConcepts.INVALID_GREATEST_OPERATION,
 }]
 
 """