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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