Thanks Allen:
the following is what I was looking for:
my-blk: ["one" "two" "three"]
either block? my-blk
[print "yup"]
[print "nope"]
BUT: Now I have tried switch with no luck
; code I tried is below
my-blk: ["one" "two" "three"]
switch my-blk
[
block? [print "block!"]
string? [print "else!"]
]
== none
At 10:58 AM 4/23/00 +1000, you wrote:
>
>Hi Tim,
>
>With all types there is an evaluator for the type. It is the data-type's
>name with a "?" on the end.
>e.g
>
>block? ["one" "two" "three"]
>==true
>
>block? http://www.rebol.com
>==false
>
>url? http://www.rebol.com
>==true
>
>Hope that helps.
>
>Cheers,
>
>Allen K
>
>
>----- Original Message -----
>From: <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Sunday, April 23, 2000 10:18 AM
>Subject: [REBOL] [REBOL] Evaluating Rebol Data Types
>
>
>> Hello Again:
>> I want to be able to internally evaluate
>> rebol data types:
>> the following code :
>>
>> my-blk: ["one" "two" "three"]
>> print reform ["my-blk is a " type? my-blk]
>> either equal? type? proj-args "block"
>> [print "my-blk's type is block"]
>> [print "my-blk's type is something else"]
>>
>> ; returns
>> my-blk is a block
>> my-blk's type is something else
>>
>> ; It appears that
>> either equal? [type? proj-args] "block"
>> ; evaluates as false.
>>
>> How may I rewrite this code so that it evaluates
>> as true?
>>
>> Thanks in advance
>> tim
>>
>>
>
>
