From 0c169127338ef8af752d1a077e412b5135e300d5 Mon Sep 17 00:00:00 2001
From: Veikka Tuominen <git@vexu.eu>
Date: Thu, 16 Mar 2023 17:46:34 +0200
Subject: [PATCH] std: improve error for formatting a function body type

Closes #14915
---
 lib/std/fmt.zig | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index 8167a2b252..1658f8a502 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -703,10 +703,7 @@ pub fn formatType(
             }
             try writer.writeAll(" }");
         },
-        .Fn => {
-            if (actual_fmt.len != 0) invalidFmtError(fmt, value);
-            return format(writer, "{s}@{x}", .{ @typeName(T), @ptrToInt(value) });
-        },
+        .Fn => @compileError("unable to format function body type, use '*const " ++ @typeName(T) ++ "' for a function pointer type"),
         .Type => {
             if (actual_fmt.len != 0) invalidFmtError(fmt, value);
             return formatBuf(@typeName(value), options, writer);