Ah...so I looked into the RT code a bit more and you're right. If we
passed in a Java array or a Java String then it would need to be
converted to a Seqable class first then we could have a seq() method
to call.
Thanks,
Timothy
On Thu, Sep 2, 2010 at 9:43 AM, Armando Blancas
<armando_blan...@yahoo.com> wrote:
> Probably so the list can be compared to anything and thus o may not
> implement Seqable, like:
> user=> (.equals '() nil)
> false
>
> On Sep 1, 4:14 pm, Timothy Baldridge <tbaldri...@gmail.com> wrote:
>> While examining the Clojure source I came across this line in the
>> EmptyList class:
>>
>> public boolean equals(Object o) {
>> return (o instanceof Sequential || o instanceof List) &&
>> RT.seq(o) == null;
>> }
>>
>> What's up with the RT.seq(o) == null? Why don't we do this instead:
>>
>> public boolean equals(Object o) {
>> return (o instanceof Sequential || o instanceof List) && o
>> instanceof Seqable && ((Seqable)o).seq(o) == null;
>> }
>>
>> I've seen RT used in other places as well, I guess I don't understand
>> why it's used here, or what it is at all....
>>
>> Timothy
>>
>> --
>> “One of the main causes of the fall of the Roman Empire was
>> that–lacking zero–they had no way to indicate successful termination
>> of their C programs.”
>> (Robert Firth)
>
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