Remove undocumented buffer_range and output_range

test/printf-test.cc

@@ -606,52 +606,3 @@ TEST(PrintfTest, VSPrintfMakeWArgsExample) {
                           {fmt::make_wprintf_args(42, L"something")}));
 #endif
 }
-
-typedef fmt::printf_arg_formatter<fmt::buffer_range<char>> formatter_t;
-typedef fmt::basic_printf_context<formatter_t::iterator, char> context_t;
-
-// A custom printf argument formatter that doesn't print `-` for floating-point
-// values rounded to 0.
-class custom_printf_arg_formatter : public formatter_t {
- public:
-  using formatter_t::iterator;
-
-  custom_printf_arg_formatter(formatter_t::iterator iter,
-                              formatter_t::format_specs& specs, context_t& ctx)
-      : formatter_t(iter, specs, ctx) {}
-
-  using formatter_t::operator();
-
-#if FMT_MSC_VER > 0 && FMT_MSC_VER <= 1804
-  template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
-  iterator operator()(T value){
-#else
-  iterator operator()(double value) {
-#endif
-      // Comparing a float to 0.0 is safe.
-      if (round(value * pow(10, specs()->precision)) == 0.0) value = 0;
-  return formatter_t::operator()(value);
-}
-}
-;
-
-typedef fmt::basic_format_args<context_t> format_args_t;
-
-std::string custom_vformat(fmt::string_view format_str, format_args_t args) {
-  fmt::memory_buffer buffer;
-  fmt::vprintf<custom_printf_arg_formatter>(buffer, format_str, args);
-  return std::string(buffer.data(), buffer.size());
-}
-
-template <typename... Args>
-std::string custom_format(const char* format_str, const Args&... args) {
-  auto va = fmt::make_printf_args(args...);
-  return custom_vformat(format_str, {va});
-}
-
-TEST(PrintfTest, CustomFormat) {
-  EXPECT_EQ("0.00", custom_format("%.2f", -.00001));
-  EXPECT_EQ("0.00", custom_format("%.2f", .00001));
-  EXPECT_EQ("1.00", custom_format("%.2f", 1.00001));
-  EXPECT_EQ("-1.00", custom_format("%.2f", -1.00001));
-}