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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.         int a = 100;
  6.  
  7. 	double b = static_cast<float>(a); // ok
  8.         double b1 = (float)a;    // c-cast a->float == ok, implicit static_cast here
  9.  
  10. 	// unsigned char const * c = a; // illegal, need casting
  11.         //unsigned char const * c = static_cast<unsigned char const *>(a); // illegal cast, incompartible types
  12. 	unsigned char const * c = reinterpret_cast<unsigned char const *>(a); // ok
  13. 	unsigned char const * c1 = (unsigned char const *)(a); // c-cast 100->pointer == ok, implicit reinterpret_cast here
  14.  
  15. 	// unsigned char * d = c; // illegal, stripping const
  16. 	unsigned char * d = const_cast<unsigned char *>(c); // ok
  17.         unsigned char * d1 = (unsigned char *)c; // c-cast const -> non-const == ok, implicit const_cast here
  18.  
  19.  
  20.         printf("%d, %f, %x, %x", a, b, c, d);
  21.         return 0;
  22. }
Success #stdin #stdout 0.02s 2724KB
comments (?)
stdin 
Standard input is empty
stdout 
100, 100.000000, 64, 64
https://ideone.com/M6mEG
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
public

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