Ah, there was a slots.macros vocab, interesting. Now I have to see what it
does... down the rabbit hole.
I think I was more misleading than anything, but good thing you solved it
anyway!
El Martes, 23 de mayo, 2017 8:51:10, Alexander Ilin <ajs...@yandex.ru>
escribió:
Hello, fede s! Thank you for pointing me in the right direction. The following
code works: USING: slots.macros ; TYPED: maybe-prepend-slot ( res:
resource-gadget str: string slot-name: string -- res:
resource-gadget str: string added? ) [ over res>> ] dip slot [ [ "
- " append prepend ] when* ] keep ; inline TYPED: maybe-prepend-name ( res:
resource-gadget str: string -- res: resource-gadget str': string added? )
"name" maybe-prepend-slot ; TYPED: maybe-prepend-root ( res: resource-gadget
str: string -- res: resource-gadget str': string added? ) "root"
maybe-prepend-slot ; 23.05.2017, 02:08, "fede s" <elfeder...@yahoo.com.ar>:
Hi, looks like you could make a word for that, using "slot-named" and "slot"
from the "slots" vocab.Something like: USING: slots ;: slot-by-name>> ( object
name -- value ) slot-named ! returns a slot-spec offset>> ! the
offset of that slot slot ; But haven't tried it...
El Viernes, 19 de mayo, 2017 14:07:46, Alexander Ilin <ajs...@yandex.ru>
escribió: Hello! Is there a way to generalize this code? TYPED:
maybe-prepend-name ( res: resource-gadget str: string -- res:
resource-gadget str: string added?: boolean ) over res>> name>> [ [ " - "
append prepend ] when* ] keep >boolean ; TYPED: maybe-prepend-root ( res:
resource-gadget str: string -- res: resource-gadget str: string added?:
boolean ) over res>> root>> [ [ " - " append prepend ] when* ] keep >boolean
; The only difference between the two words is in the slot name.
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