[fpc-pascal] Untyped var params

Dmitry Boyarintsev skalogryz.lists at gmail.com
Sun Jan 8 04:43:11 CET 2017

On Sat, Jan 7, 2017 at 6:02 PM, Lars <noreply at z505.com> wrote:

> Some brave soldiers once tried to reinvent generics using these tricks..

Well, Pascal run-time has been using "hidden" generics forever.

As an example:

Val() declares the second parameter as untyped var parameter.
Unfortunately, it's not quite so. Compiler recognizes  the run-time
function and requires the parameter to be either an Integer or Float-point
type (or an enumerated type since 2.3.1).

So it's more a generic-like behavior (with integer and float types

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