do not try to execute empty repl commands

1 files changed, 3 insertions, 0 deletions

diff --git a/main.go b/main.go
index 923260d..7ebee5b 100644
--- a/main.go
+++ b/main.go
@@ -160,6 +160,9 @@ func main() {
 		reader := bufio.NewReader(os.Stdin)
 		for {
 			code, _ := reader.ReadString('\n')
+			if len(code) == 0 {
+				continue
+			}
 			for _, wrk := range wrks {
 				if err := wrk.Eval(code); err != nil {
 					log.Printf("error: %s\n", err)