Rename “general” domain to “noninteger”

The “general” domain wasn’t really about general variables, but meant as
a distinction from integer variables. For this reason, this commit
renames the “general” domain to “noninteger.”

include/anthem/AST.h

@@ -148,7 +148,7 @@ struct FunctionDeclaration
 
 	std::string name;
 	size_t arity;
-	Domain domain{Domain::General};
+	Domain domain{Domain::Noninteger};
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////

include/anthem/Arithmetics.h

@@ -1,6 +1,7 @@
 #ifndef __ANTHEM__ARITHMETICS_H
 #define __ANTHEM__ARITHMETICS_H
 
+#include <anthem/AST.h>
 #include <anthem/Utils.h>
 
 namespace anthem
@@ -59,7 +60,7 @@ struct IsTermArithmeticVisitor
 	{
 		switch (function.declaration->domain)
 		{
-			case Domain::General:
+			case Domain::Noninteger:
 				return EvaluationResult::False;
 			case Domain::Integer:
 				return EvaluationResult::True;
@@ -127,7 +128,7 @@ struct IsTermArithmeticVisitor
 
 		switch (domain)
 		{
-			case Domain::General:
+			case Domain::Noninteger:
 				return EvaluationResult::False;
 			case Domain::Integer:
 				return EvaluationResult::True;
@@ -184,7 +185,7 @@ struct IsTermIntegerVisitor
 	{
 		switch (function.declaration->domain)
 		{
-			case Domain::General:
+			case Domain::Noninteger:
 				return EvaluationResult::False;
 			case Domain::Integer:
 				return EvaluationResult::True;
@@ -236,7 +237,7 @@ struct IsTermIntegerVisitor
 	{
 		switch (variable.declaration->domain)
 		{
-			case Domain::General:
+			case Domain::Noninteger:
 				return EvaluationResult::False;
 			case Domain::Integer:
 				return EvaluationResult::True;

include/anthem/Utils.h

@@ -45,7 +45,7 @@ enum class OperationResult
 
 enum class Domain
 {
-	General,
+	Noninteger,
 	Integer,
 	Unknown,
 };

include/anthem/output/AST.h

@@ -329,8 +329,8 @@ inline output::ColorStream &print(output::ColorStream &stream, const VariableDec
 			{
 				case Domain::Unknown:
 					return "";
-				case Domain::General:
-					return "g";
+				case Domain::Noninteger:
+					return "n";
 				case Domain::Integer:
 					return "i";
 			}