summaryrefslogtreecommitdiff
path: root/fpcdocs/objectex/ex38.pp
blob: f4f2475198f55d2cfc269c6591584a608178881f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Program ex38;

{ Program to demonstrate the TStrCollection.Compare method }

Uses Objects,Strings;

Var C : PStrCollection;
    S : String;
    I : longint;
    P : Pchar;

begin
  Randomize;
  C:=New(PStrCollection,Init(120,10));
  C^.Duplicates:=True; { Duplicates allowed }
  Writeln ('Inserting 100 records at random places.');
  For I:=1 to 100 do
    begin
    Str(Random(100),S);
    S:='String with value '+S;
    P:=StrAlloc(Length(S)+1);
    C^.Insert(StrPCopy(P,S));
    end;
  For I:=0 to 98 do
    With C^ do
      If Compare (At(I),At(I+1))=0 then
        Writeln ('Duplicate string found at position ',I);
  Dispose(C,Done);
end.