[REBOL] Re: basics: meaning and uses of make object! vs. context
From: ingo:2b1 at: 11-Jun-2002 0:25
Hi Jason, Ammon,
Ammon Johnson wrote:
> Hi again,
>
> Yes, there are times when the SOURCE hides things from you...
>
>>>source make
>>
> make: native [
> "Constructs and returns a new value."
> type [any-type!] "The datatype or example value."
> spec [any-type!] "The attributes of the new value."
> ]
>
> You see MAKE is a Native! It isn't done in REBOL code, but rather in the
> language REBOL is written in (C?) so SOURCE couldn't tell you if it wanted
> to. Other than that, SOURCE will hide nothing from you. Use the SOURCE,
> Luke! The SOURCE will not fail you... ;-)
Unless it does, of course ...
>> a: make object! [ blk: [ print "HI" ] set 'f func [][ do blk ]]
>> f
HI
>> source f
f: func [][do blk]
>> blk
** Script Error: blk has no value
** Near: blk
This is an artificial example, of course, but it is not that uncommon
that critical parts of a function are hidden in an object!. Especially
once you start with /View.
That said, 'source is always worth a try.
Kind regards,
Ingo
