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  1. #include <iostream>
  2.  
  3. /*
  4.  * This is a simple example code for defining a simpler, more verbose and possible more readable syntax for declaring types in C++11.
  5.  */
  6.  
  7. /*
  8.  * -- Helper definitions for "named type definitions" --
  9.  */
  10.  
  11. // For declaring pointers
  12. template <typename T>
  13. using ptr = T*;
  14.  
  15. // For declaring references
  16. template <typename T>
  17. using ref = T&;
  18.  
  19. // For declaring Arrays
  20. template <typename T, size_t N>
  21. using ary = T[N];
  22.  
  23. // For declaring function pointers
  24. template <typename R,	typename... P>
  25. using fptr = R (*) (P...);
  26.  
  27. // For declaring "const"
  28. template <typename T>
  29. using cnst = const T;
  30.  
  31. // Define an example function with a "complex" signature
  32. const int& test (const int* x [7], int* (&y) [7] ) {
  33. 	return *(y[0]);
  34. }
  35.  
  36.  
  37. int main() {
  38. 	// Define some simple variables using the simplified syntax
  39.  
  40. 	cnst<int> a = 42; // Constant integer
  41. 	ary<double, 25> b; // Array
  42. 	ref<ary<double, 25>> c = b; // Reference to array
  43. 	ptr<ary<double, 25>> d = &b; // Pointer to array
  44.  
  45.  
  46. 	// Define a function pointer to the above function
  47. 	fptr<ref<cnst<int>>, ary<ptr<cnst<int>>,7>, ref<ary<ptr<int>, 7>>> myFun = &test;
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 3292KB
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https://ideone.com/mxUPZt
C named type definition syntax
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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