mirror of https://github.com/Light-City/CPlusPlusThings.git synced 2026-10-29 03:14:06 +08:00

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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++ explicit 显式转换

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explicit 修饰构造函数时，可以防止隐式转换和复制初始化
explicit 修饰转换函数时，可以防止隐式转换，但按语境转换除外

代码参见:.explicit.cpp

参考链接：

https://stackoverflow.com/questions/4600295/what-is-the-meaning-of-operator-bool-const

715 B Raw Blame History

C++ explicit 显式转换

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715 B

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