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Antranig Vartanian 2024-05-11 19:17:23 +04:00
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examples/procedures/var-parameter/VarParam.Mod.ob2 Normal file
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MODULE varparam;
IMPORT Out;
VAR a, b : INTEGER;
PROCEDURE swapVals(VAR x, y : INTEGER);
VAR tmp : INTEGER;
BEGIN
tmp := x; x := y; y := tmp;
END swapVals;
BEGIN
a := 6; b := 9;
Out.String("initial "); Out.Ln;
Out.String("a : "); Out.Int(a, 0); Out.String("; b : "); Out.Int(b, 0); Out.Ln;
swapVals(a, b);
Out.String("after swap"); Out.Ln;
Out.String("a : "); Out.Int(a, 0); Out.String("; b : "); Out.Int(b, 0); Out.Ln;
END varparam.