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D语言sizeof运算符

时间：2022-07-04分类：D语言实例代码作者：编程之家

import std.stdio;

int main(string[] args) { 
   int a = 4; 
   short b; 
   double c; 
   int* ptr;

   /* example of sizeof operator */ 
   writefln(Line 1 - Size of variable a = %d\n, a.sizeof ); 
   writefln(Line 2 - Size of variable b = %d\n, b.sizeof ); 
   writefln(Line 3 - Size of variable c= %d\n, c.sizeof );  

   /* example of & and * operators */ 
   ptr = &a; /* 'ptr' Now contains the address of 'a'*/ 
   writefln(value of a is  %d\n, a); 
   writefln(*ptr is %d.\n, *ptr);  

   /* example of ternary operator */ 
   a = 10; 
   b = (a == 1) ? 20: 30; 
   writefln( Value of b is %d\n, b ); 

   b = (a == 10) ? 20: 30; 
   writefln( Value of b is %d\n, b ); 
   return 0; 
}

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