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70 lines
1.0 KiB
ObjectPascal
70 lines
1.0 KiB
ObjectPascal
{ comparsion of empty string }
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{$H+}
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var
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my_str: string;
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my_str_wide: widestring;
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my_str_ansi: ansistring;
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my_str_uni: unicodestring;
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i: integer;
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begin
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my_str := '';
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my_str_wide := '';
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my_str_ansi := '';
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my_str_uni := '';
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i := -1;
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case my_str of
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'b'..'b': i := 1;
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'c': i := 2;
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'd'..'eee': i := 3;
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''..'a': i := 4;
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else i := 0;
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end;
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if (i <> 4) then begin
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writeln('Error');
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Halt(1);
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end;
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case my_str_wide of
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'b'..'b': i := 1;
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'c': i := 2;
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'd'..'eee': i := 3;
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''..'a': i := 4;
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else i := 0;
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end;
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if (i <> 4) then begin
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writeln('Error');
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Halt(1);
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end;
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case my_str_ansi of
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'b'..'b': i := 1;
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'c': i := 2;
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'd'..'eee': i := 3;
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''..'a': i := 4;
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else i := 0;
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end;
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if (i <> 4) then begin
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writeln('Error');
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Halt(1);
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end;
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case my_str_uni of
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'b'..'b': i := 1;
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'c': i := 2;
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'd'..'eee': i := 3;
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''..'a': i := 4;
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else i := 0;
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end;
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if (i <> 4) then begin
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writeln('Error');
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Halt(1);
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end;
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end.
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