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Compiler Error C2050

  • Artikkeli

switch expression not integral

The switch expression evaluates to a noninteger value. To resolve the error, use only integral values in switch statements.

The following sample generates C2050:

// C2050.cpp
int main() {
   int a = 1;
   switch ("a") {   // C2050
      case 1:
         a = 0;
      default:
         a = 2;
   }
}

Possible resolution:

// C2050b.cpp
int main() {
   int a = 1;
   switch (a) {
      case 1:
         a = 0;
      default:
         a = 2;
   }
}