CPP
CPP
  • 请登录查看
字典 我要纠错

cv type qualifiers

cv (const and volatile) type qualifiers

Appear in any type specifier, including decl-specifier-seq of declaration grammar, to specify constness or volatility of the object being declared or of the type being named.

  • 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 class (as often used for mutexes, memo caches, lazy evaluation, and access instrumentation). mutable members of const class instances are modifiable. (Note: the