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Program Example21;
{ Program to demonstrate the Exit function. }
Procedure DoAnExit (Yes : Boolean);
{ This procedure demonstrates the normal Exit }
begin
Writeln ('Hello from DoAnExit !');
If Yes then
begin
Writeln ('Bailing out early.');
exit;
end;
Writeln ('Continuing to the end.');
end;
Function Positive (Which : Integer) : Boolean;
{ This function demonstrates the extra FPC feature of Exit :
You can specify a return value for the function }
begin
if Which>0 then
exit (True)
else
exit (False);
end;
begin
{ This call will go to the end }
DoAnExit (False);
{ This call will bail out early }
DoAnExit (True);
if Positive (-1) then
Writeln ('The compiler is nuts, -1 is not positive.')
else
Writeln ('The compiler is not so bad, -1 seems to be negative.');
end.
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