[REBOL] What does "loop" return?
From: valeri:mytinski:g:mail at: 4-Apr-2009 22:38
Hi!
I am novice in REBOL - 4 days learning, although 20 years in
programming.
My question is: what does "loop" ("foreach" and so on) return? Namely:
>> r: loop 2 [append [] 3]
== [3 3]
>> help r
R is a block of value: [3 3]
>> r: loop 2 [3]
== 3
>> help r
R is an integer of value: 3
In first case "loop" returns block (seems like ...?) while in second
it returns integer
(seems like last evaluated value).
So there are some questions:
- is that desirable ?
- what is the sense of such behaviour ?
- why only second case is described in REBOL/Core doc ? (and for REBOL
3 too)
- if I am wrong and in first case "loop" returns value too then
how this value (block [3 3]) is calculated ?
Thanks in advance. I can't go ahead without understanding base things.
Valeri
