C/C++ Advanced

This file shows some advanced usages of C/C++

C++ Related Topics

• What is a literal type?

• What is cv-qualified ?

  • cv means const or volatile

• What is trival default constructor

• What is **an aggregate (class) **?

• What is NRVO ?

  • Named Return Value Optimization（返回值优化）

• What is copy elision ?

• What is RTTI?

  • RTTI = Run-Time Type Information

• What is closure type？

  • What is lambda indeed ?

  • What is closure ?

  • What is closure type ?

• What is init capture？

  • What is generalized lambda capture ?

• What is most vexing parse ?

• What is narrowing conversions ?

  • （类型）范围缩减转换

• What is CRTP?

  • CRTP = the Curiously Recurring Template Pattern

• What is PImpl ?

  • PImpl = Pointer to implementation

  • Refer to page in cppreference

• What is SFINAE ?

  • SFINAE = Substitution Failure Is Not An Error

  • Refer to page in SFINAE

• What is SSO ?

  • SSO = Small String Optimization

  • A technique to improve performance for string implementations.

• What is zero-overhead principle?

  • What you don’t use, you don’t pay for (in time or space) and further: What you do use, you couldn’t hand code any better.

• inline关键字到底有没有用？

  • 其实就这么简单的原则：

    cpp里的函数实现通通都无须要加inline。

    h里的独立函数实现必须加inline。

    编译器可以对不加inline关键字的函数内联，也可以对加了inline的函数拒绝内联。简单说：是否内联与inline关键字几乎没有关系。

    目前inline关键字的主要用途，就是为了将一个函数写到头文件中，从而无须专门进行链接。

    参考回答

Links

C++ Online Tools

• C++ Shell

• Online GDB

• GDB Tutorial

• Quick C++ Benckmark

• Perfbench

• Buildbench

• Compiler Explorer

• C++ insights

C++ Open Source Frameworks

有哪些优秀的 C/C++ 开源代码框架？这些框架的设计思路是怎样的？ - 觅新笑话中的回答 - 知乎