Workaround an ADL issue

fmtlib · Dec 11, 2022 · 3999fd1 · 3999fd1
1 parent c06e0b4
commit 3999fd1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/test/format-test.cc b/test/format-test.cc
@@ -1679,7 +1679,8 @@ template <> struct formatter<date> {
   }
 
   auto format(const date& d, format_context& ctx) -> decltype(ctx.out()) {
-    format_to(ctx.out(), "{}-{}-{}", d.year(), d.month(), d.day());
+    // Namespace-qualify to avoid ambiguity with std::format_to.
+    fmt::format_to(ctx.out(), "{}-{}-{}", d.year(), d.month(), d.day());
     return ctx.out();
   }
 };