oh, right! The first argument is the object to receive the message, and the second is the argument to the function. Thank you!
On Wed, Dec 21, 2022 at 12:34 PM Alexander Burger <a...@software-lab.de> wrote: > On Wed, Dec 21, 2022 at 05:14:15PM +0100, Frithjof Schulze wrote: > > I can’t say much about other the rest of the code, but “This” is not an > > argument, but a global variable managed by the system to have the > current object > > as a value: > > Right. > > > > > On 21. Dec 2022, at 16:51, polifemo <brunofrancosala...@gmail.com> > wrote: > > > > What does this mean? Why is This being passed as an extra argument > that is not > > > in the method definition? When can you pass extra arguments and have > it make > > > sense? > > The syntax of message passing (i.e. method calls) in PicoLisp is > > (message> object arg1 arg2) > > Read as "message is sent to object". > > The object is not really passed as an *argument*, but is the target of the > message sending, and is implicitly bound to the symbol 'This' while the > method > body runs. > > The method would be defined as > > (dm message> (Arg1 Arg2) > ... ) > > ☺/ A!ex > > -- > UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe >
