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C++ undefined ref to static

Sorann answered on December 28, 2023 Popularity 1/10 Helpfulness 8/10

answer C++ undefined ref to static

C++ undefined ref to static

Comment

// you made the declaration for your static but you forgot the definition
class Helloworld {
  public:
     static int x;
     void foo();
};

// you don't need the keyword static for the definition
int Helloworld::x = 0; 
// the initializer is not required,
// if absent x will be zero-initialized.

Popularity 1/10 Helpfulness 8/10 Language cpp

Source: stackoverflow.com

Tags: c++ ref static undefined

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