RosettaCodeData/Task/String-concatenation/Seed7/string-concatenation.seed7

$ include "seed7_05.s7i";

const proc: main is func
  local
    var string: s is "hello";
    var string: s2 is "";
  begin
    writeln(s <& " world");
    s2 := s & " world";
    writeln(s2);
  end func;