On Sun, Jul 10, 2011 at 9:28 PM, Ramakrishnan Muthukrishnan
<vu3...@gmail.com> wrote:
>
> Is there a way to use hash-set on a nested hash table and set the
> value of a deeply nested key and return the entire updated hash table
> ?

Ok, I wrote this function which serves my purpose:

(define (hash-set-in ht ks v)
  (cond [(not (list? ks)) (error "ks not a list")]
        [(empty? (cdr ks)) (hash-set ht (car ks) v)]
        [else
         (hash-set ht
                   (car ks)
                   (hash-set-in (hash-ref ht (car ks))
                                (cdr ks)
                                v))]))

-- 
  Ramakrishnan

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