bugfix: Don't call tail on an empty list

scalameta · Jan 5, 2024 · abcf921 · abcf921
1 parent d71009e
commit abcf921
Showing 1 changed file with 8 additions and 8 deletions.
diff --git a/mtags/src/main/scala-3/scala/meta/internal/pc/completions/InterpolatorCompletions.scala b/mtags/src/main/scala-3/scala/meta/internal/pc/completions/InterpolatorCompletions.scala
@@ -83,14 +83,14 @@ object InterpolatorCompletions:
           case _: Select => true
           case _ => false
         } =>
-      val allLiterals = parent match
-        case SeqLiteral(elems, _) =>
-          elems
-        case _ => Nil
-      expr.elems.zip(allLiterals.tail).collectFirst {
-        case (i: (Ident | Select), literal) if literal == lit =>
-          i
-      }
+      parent match
+        case SeqLiteral(elems, _) if elems.size > 0 =>
+          expr.elems.zip(elems.tail).collectFirst {
+            case (i: (Ident | Select), literal) if literal == lit =>
+              i
+          }
+        case _ => None
+
   end interpolatorMemberArg
 
   /**