From 0faf3719926defc459c10b0a8d04d6a29c47a53f Mon Sep 17 00:00:00 2001
From: Adela Vais <adela.vais99@gmail.com>
Date: Mon, 19 Sep 2022 19:09:20 +0200
Subject: [PATCH] d: fix syntax error on SymbolKind.toString method

Reported by ledaniel2.
<https://github.com/akimd/bison/issues/88>

* data/skeletons/d.m4: Here.
---
 data/skeletons/d.m4 | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/data/skeletons/d.m4 b/data/skeletons/d.m4
index 9354b0fe..e82f87e5 100644
--- a/data/skeletons/d.m4
+++ b/data/skeletons/d.m4
@@ -284,8 +284,7 @@ m4_define([b4_declare_symbol_enum],
      that double-quoting is unnecessary unless the string contains an
      apostrophe, a comma, or backslash (other than backslash-backslash).
      YYSTR is taken from yytname.  */
-    final void toString(W)(W sink) const
-    if (isOutputRange!(W, char))
+    final void toString(void delegate(const(char)[]) sink) const
     {
       immutable string[] yy_sname = @{
   ]b4_symbol_names[
@@ -296,7 +295,7 @@ m4_define([b4_declare_symbol_enum],
   ]b4_translatable[
       @};]])[
 
-      put(sink, yy_sname[yycode_]);
+      sink.formattedWrite!"%s"(yy_sname[yycode_]);
     }
   }
 ]])