Hi,
I'm suddenly confused on how set! works. Suppose I have two
variables, A & B. If A ="Hello"
and I call (set! B A), both A and B will equal "Hello". If I call
(set! B "Good-bye") I would assume
that B now equals "Good-bye" and that A still equals "Hello", but is
this the case?
My real call was a bit more complex (i.e (set! B (vector-ref A 6))).
In this case I assume the same
will be true. If (vector-ref A 6) equals "Hello" as above, when I set
B to "Good-bye" the vector
reference also changes. It is after all, a reference - but if changing
B changes A, how do I keep this
from happening? I want to get the value from the vector, play with it
a bit, but leave it's vector
value alone.
Bill
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