From d0666e523ffd29dd25b8eec6bfbc31c717bddfce Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Tue, 7 Nov 2023 17:09:03 -0800
Subject: [PATCH] config: packed struct fields can clone directly via copy

---
 src/config/Config.zig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/config/Config.zig b/src/config/Config.zig
index 83f56def3..26425fb12 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -4,6 +4,7 @@ const Config = @This();
 
 const std = @import("std");
 const builtin = @import("builtin");
+const assert = std.debug.assert;
 const Allocator = std.mem.Allocator;
 const ArenaAllocator = std.heap.ArenaAllocator;
 const fontpkg = @import("../font/main.zig");
@@ -1370,7 +1371,11 @@ fn cloneValue(alloc: Allocator, comptime T: type, src: T) !T {
             src orelse return null,
         ),
 
-        .Struct => return try src.clone(alloc),
+        .Struct => |info| {
+            // Packed structs we can return directly as copies.
+            assert(info.layout == .Packed);
+            return src;
+        },
 
         else => {
             @compileLog(T);