[fpc-pascal]RE: Defining Records on the fly:

[Jon D. Sawyer]

^_^ Thats how its working at the moment and I've known that FPC doesn't
do that kinda definition on the fly.  My real question was why not?

On Wed, 2004-02-18 at 21:34, Adam Victor Nazareth Brandizzi wrote:
> You can also define a function that returns the record you need:
> 
> function NewMyRec( X, Y : double ) : TMyRec;
> begin
>    NewMyRec.x := X;
>    NewMyRec.y := Y;
> end;
> 
> I think it's really better than declare a new variable and initialize it 
> by the code.
> 
> if CheckPoint(NewMyRec(1.2, 2.2)) then ...
> 
> Be well...
> 
> Jeff Pohlmeyer wrote:
> 
> >Since Free Pascal supports function overloading,
> >you could do something like this:
> >
> >
> >Function CheckPoint(X, Y:real): Boolean;
> >Begin
> >  {Does something here..}
> >end;
> >
> >
> >Function CheckPoint(aPoint: tMyRec): Boolean;
> >Begin
> >  Result:=CheckPoint(aPoint.X, aPoint.Y);
> >end;
> >
> >
> >// So you can use it either way:
> >
> >var
> >  MyRec:tMyRec;
> >begin
> >  if CheckPoint(MyRec) then {do stuff};
> >  if CheckPoint(1.2, 2.2) then {do more stuff};
> >end;
> >
> >
> >  
> >
> >>Here is why I was wondering why you couldn't, say I have this type:
> >>Type tMyRec = Record X, Y : Real; End;
> >>
> >>And I have this function:
> >>
> >>Function CheckPoint(aPoint: tMyRec): Boolean;
> >>Begin
> >>  {Does something here..}
> >>end;
> >>
> >>begin
> >>  CheckPoint((X:1.2;Y:2.2));
> >>end.
> >>    
> >>
> >
> >
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