[fpc-pascal] function param and TVarRec

[Michael Van Canneyt]

On Tue, 24 Sep 2013, Xiangrong Fang wrote:

> Hi There,
> 
> If you declare this:
> 
> procedure proc(param: array of const);
> 
> Then you can pass any type of varaible to param, however, only in an array, such as proc([1, 2]);
> 
> Is it possible to achieve the effect of the code below (which is wrong):
> 
> procedure proc(p1: const; p2: const);
> 
> So that: 1) p1 and p2 is translated by the compiler to TVarRec inside the function; 2) I do not need to pass an array to the function, in another word, the number of params
> for the procedure is *fixed*, but the *type* of each param is not.

Use variants:

Procedure Proc (Var A,B : variant);

Michael.