CPlusPlusThings/english/basic_content/explicit/README.md

Things about explicit

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• explicit When decorating a constructor, you can prevent implicit conversion and copy initialization
• explicit When modifying a conversion function, you can prevent implicit conversion, except for context conversion

Code :.explicit.cpp

Reference Link：

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