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light-city dfe1c933b3 docs: address community issue feedback (#5 #338 #142 #246 #136 #303 )

- const README: rewrite the space-saving claim per issue #5 follow-ups
  (constant-expression const vs #define immediates; which const qualify
  as constant expressions)
- const README: fix the class-section diagnosis per issue #338 (overload
  resolution picks the const overload; the restriction only surfaces
  once that overload is removed)
- sizeof README: virtual-inheritance result is compiler-dependent
  (GCC merges vbptr+vfptr -> 16, MSVC keeps them separate -> 32) #246
- static README: new section on internal linkage / access restriction
  with anonymous-namespace comparison #142
- 10-day practice: full problem list table + fixed day links #136
- new design_pattern/singleton/singleton_default.hpp: reusable
  thread-safe CRTP singleton template, compile+concurrency tested #303

2026-10-13 19:23:54 +08:00

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C++ STL 容器快捷输出

对吴老师的代码进行了修改，点击此处直通代码

输入：

map<int, int> mp{
            {1, 1},
            {2, 4},
            {3, 9}};
    cout << mp << endl;

输出结果显示：

{ 1 => 1, 2 => 4, 3 => 9 }

552 B Raw Blame History

C++ STL 容器快捷输出

552 B

Raw Blame History