HP SunSoft Pascal 4.0 Manuale Utente Scaricare il pdf (Pagina 285)

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101

Pascal Preprocessor 261

Comments

The %list directive and the -l compiler option perform the same function.

Example

The Pascal program, list.p program list_example(output);

{ This program demonstrates the use of the %list

and %nolist directives. }

%list;

%include 'types.h';

%nolist;

begin

pri := [red, yellow, blue];

pos := [true, false];

cap := ['A'..'Z'];

dig := [0..100];

writeln('There are ',card(pri): 4, ' primary colors.');

writeln('There are ',card(pos): 4, ' possibilities.');

writeln('There are ',card(cap): 4, ' capital letters.'');

writeln('There are ',card(dig): 4, ' digits.')

end. { list_example }

Theinclude ﬁle, types.h type

lowints = 0..100;

primary_colors = set of (red, yellow, blue);

possibilities = set of boolean;

capital_letters = set of 'A'..'Z';

digits = set of lowints;

var

pri: primary_colors;

pos: possibilities;

cap: capital_letters;

dig: digits;

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HP SunSoft Pascal 4.0 Manuale Utente Pagina 285

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