Handle lines with no code in the session

1 files changed, 5 insertions, 2 deletions

diff --git a/main.c b/main.c
index 17ab041..f23ea9e 100644
--- a/main.c
+++ b/main.c
@@ -50,8 +50,11 @@ restart:
 	while(!off){
 		checkmem("main loop");
 		Datum *result = evalline(nil, stdin, 1);
-		if(result)
-			outputmain(result);
+		if(!result){
+			result = allocdatum(ArrayTag, 1);
+			result->array = mkscalarint(0);
+		}
+		outputmain(result);
 		freedatum(result);
 /*
 		print("Unfreed arrays: %d\n", arrayalloccounts);