Workaround msvc 14.32/33 bug (see fmtlib/fmt#3224)

manifest

@@ -12,6 +12,3 @@ package-email: [email protected]
 depends: * build2 >= 0.15.0
 depends: * bpkg >= 0.15.0
 
-build-exclude: **windows_10-msvc_17.2** ; See https://github.com/fmtlib/fmt/issues/3224
-build-exclude: **windows_10-msvc_17.3** ; See https://github.com/fmtlib/fmt/issues/3224
-

tests/basics/tests.inl

@@ -55,7 +55,9 @@ struct fmt::formatter<date> {
 
   template <typename FormatContext>
   auto format(const date& d, FormatContext& ctx) {
-    return 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();
   }
 };