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  1. import std.stdio;
  2.  
  3. pure int add(in int a, in int b) { return a + b; }
  4.  
  5. void main() {
  6. int a = 5;
  7. int b = 8;
  8.  
  9. writeln(add(a, b));
  10.  
  11. b += 20;
  12.  
  13. writeln(add(a, b));
  14. }
Success #stdin #stdout 0s 4252KB
stdin
Standard input is empty
stdout
13
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