1 files changed, 17 insertions, 0 deletions
diff --git a/helpers.go b/helpers.go
new file mode 100644
index 0000000..85f6113
--- /dev/null
+++ b/helpers.go
@@ -0,0 +1,17 @@
+// helpers.go
+package main
+
+// truncateRunes returns at most n runes from s.
+func truncateRunes(s string, n int) string {
+	if n <= 0 {
+		return ""
+	}
+	i := 0
+	for idx := range s {
+		if i == n {
+			return s[:idx]
+		}
+		i++
+	}
+	return s
+}
+\ No newline at end of file