reflection : define_static_arrayが不足していた

Author: faithandbrave

lang/cpp26/reflection.md

@@ -142,8 +142,9 @@ struct S { int x; int y; };
 consteval void example() {
   S s{1, 2};
 
-  constexpr auto members = std::meta::nonstatic_data_members_of(
-    ^^S, std::meta::access_context::unchecked());
+  constexpr auto members = std::define_static_array(
+    std::meta::nonstatic_data_members_of(
+      ^^S, std::meta::access_context::unchecked()));
 
   int a = s.[:members[0]:];  // s.x と等価。a == 1
   int b = s.[:members[1]:];  // s.y と等価。b == 2
@@ -162,8 +163,9 @@ struct Derived : Base { int d; };
 
 consteval void example() {
   Derived obj{{42}, 100};
-  constexpr auto bases = std::meta::bases_of(
-    ^^Derived, std::meta::access_context::unchecked());
+  constexpr auto bases = std::define_static_array(
+    std::meta::bases_of(
+      ^^Derived, std::meta::access_context::unchecked()));
   Base& base_ref = obj.[:bases[0]:];  // 基底クラスのサブオブジェクトへの参照
 }
 ```
@@ -250,7 +252,8 @@ struct [[=Name{std::define_static_string("点")}]] Point {
 template for (constexpr auto m :
     std::define_static_array(std::meta::nonstatic_data_members_of(^^Point,
         std::meta::access_context::unchecked()))) {
-  constexpr auto annots = std::meta::annotations_of_with_type(m, ^^Name);
+  constexpr auto annots = std::define_static_array(
+    std::meta::annotations_of_with_type(m, ^^Name));
   if constexpr (annots.size() > 0) {
     // アノテーションは値のリフレクションではないため、
     // constant_of()で値を取り出してからスプライスする