From 0d248568f6777cbc675b16415873b322b1b20abc Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Fri, 14 Apr 2023 23:08:17 -0700
Subject: [PATCH] Fix string concat

---
 src/string_immutable.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/string_immutable.zig b/src/string_immutable.zig
index 887d819a1b..f1a17ad163 100644
--- a/src/string_immutable.zig
+++ b/src/string_immutable.zig
@@ -4344,7 +4344,11 @@ pub fn concatWithLength(
     length: usize,
 ) !string {
     var out = try allocator.alloc(u8, length);
-    @memcpy(out.ptr, args[0].ptr, args[0].len);
+    var remain = out;
+    for (args) |arg| {
+        @memcpy(remain.ptr, arg.ptr, arg.len);
+        remain = remain[arg.len..];
+    }
     return out;
 }