c++ keyword http://www.cplusplus.com/ const - defines that the type is constant. volatile - defines that the type is volatile. mutable - applies to non-static class members of non-reference non-const type and specifies that the member does not affect the externally visible state of the ...
String str=1;// 隐式转换,相当于String str = String(1); 但如果使用了explicit修饰构造函数则会导致报错。 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 struct String{explicitString(int size){}};// String str = 1; // 编译错误 上面介绍了explicit的使用,大概意思就是限制用户的某一...
And it's not like going with ref would let you avoid this validation logic: even if there is a ref on the left side, we still have to validate that it refers to a mutable location (i.e. writable storage buffer)... If I can do &in_x then why can't I do &5. Clearly I shou...