D语言更多功能特性

import std.stdio;

enum { 
   A = 1.2f,  // A is 1.2f of type float 
   B,         // B is 2.2f of type float 
   int C = 3, // C is 3 of type int 
   D          // D is 4 of type int 
}

int main(string[] args) { 
   writefln(A : %f, A); 
   writefln(B : %f, B); 
   writefln(C : %d, C); 
   writefln(D : %d, D);  
   return 0; 
}

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