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## 9.301 while

### Synopsis

    while boolean expression do
      statement

### Description

The ``while'` statement declares a loop. For further description see section 8.1.7.6 while Statement.

### Conforming to

``while'` is defined in ISO-7185 Pascal and supported by all known Pascal variants.

### Example

    program WhileDemo;
    var
      Foo, Bar: Integer;
    begin
      WriteLn ('Enter an descending series of integer numbers.');
      WriteLn ('Terminate by breaking this rule.');
      WriteLn ('Enter start number: ');
      Bar := MaxInt;
      ReadLn (Foo);
      while Foo < Bar do
        begin
          Bar := Foo;
          ReadLn (Foo)
        end;
      WriteLn ('The last number of your series was: ', Bar)
    end.

### See also

section 8.1.7.7 repeat Statement, section 8.1.7.5 for Statement

This document was generated by Frank Heckenbach on May, 10 2002 using texi2html