Remove get_dynamic_spec

Author: vitaut

include/fmt/format.h

@@ -3696,32 +3696,24 @@ struct dynamic_spec_getter {
   }
 };
 
-template <typename Context, typename ID>
-FMT_CONSTEXPR auto get_arg(Context& ctx, ID id) -> basic_format_arg<Context> {
-  auto arg = ctx.arg(id);
-  if (!arg) report_error("argument not found");
-  return arg;
-}
-
 template <typename Context>
-FMT_CONSTEXPR auto get_dynamic_spec(
-    arg_id_kind kind, const arg_ref<typename Context::char_type>& ref,
-    Context& ctx) -> int {
-  FMT_ASSERT(kind != arg_id_kind::none, "");
-  auto arg =
-      kind == arg_id_kind::index ? ctx.arg(ref.index) : ctx.arg(ref.name);
+FMT_CONSTEXPR void handle_dynamic_spec(
+    arg_id_kind kind, int& value,
+    const arg_ref<typename Context::char_type>& ref, Context& ctx) {
+  if (kind == arg_id_kind::none) return;auto arg =
+  kind == arg_id_kind::index ? ctx.arg(ref.index) : ctx.arg(ref.name);
   if (!arg) report_error("argument not found");
-  unsigned long long value = arg.visit(dynamic_spec_getter());
-  if (value > to_unsigned(max_value<int>()))
+  unsigned long long result = arg.visit(dynamic_spec_getter());
+  if (result > to_unsigned(max_value<int>()))
     report_error("width/precision is out of range");
-  return static_cast<int>(value);
+  value = static_cast<int>(result);
 }
 
-template <typename Context>
-FMT_CONSTEXPR void handle_dynamic_spec(
-    arg_id_kind kind, int& value,
-    const arg_ref<typename Context::char_type>& ref, Context& ctx) {
-  if (kind != arg_id_kind::none) value = get_dynamic_spec(kind, ref, ctx);
+template <typename Context, typename ID>
+FMT_CONSTEXPR auto get_arg(Context& ctx, ID id) -> basic_format_arg<Context> {
+  auto arg = ctx.arg(id);
+  if (!arg) report_error("argument not found");
+  return arg;
 }
 
 #if FMT_USE_NONTYPE_TEMPLATE_ARGS