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Raise/fi

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Varattua sanaa raise käytetään poikkeuksen "heittämiseen". Raise lauseke pysäyttää ohjelman normaalin suorittamisen ja siirtää ohjauksen poikkeuksen käsittelijälle.

Lyhyt yhteenveto

Esimerkki

pascal
program Example1;
uses sysutils;

function titleread(a_title:string):string;
var
  answer:string;
begin
  writeln ( a_title);
  readln(answer);

  if answer = '' then raise Exception.Create('Variable has no value');
  result := answer;
end;

var
  firstname,lastname:string;

begin
  firstname := titleread( 'Write your first name:');
  lastname := titleread( 'Write your last name:');
  writeln ('your name is ', firstname, ' ', lastname);
  readln;
end.

Katso myös


From the Free Pascal wiki, page "Raise/fi", as it stood on 2022-08-06 after a change by Kai Burghardt, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .

Edited on wiki.freepascal.org by 2 people, 2019–2022

From the official wiki's backup of 26 May 2024: who edited this page there, and when. Edits made there after that date were not recorded, and the earlier versions are not shown here; the main page says why.

WhenWhoWhat changed
DjzepiCreated page
Kai Burghardtresolve Category: Pages using deprecated enclose attributes (minor)

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