The monad p {~ q i. ] where p and q are
literal lists and the argument is a literal array,
is useful. For example:
'AA aa'=: a.{~ 65 97 +/i.26
lc=: (aa,a.) {~ (AA,a.) i. ]
lc 'United States of America, Union of South Africa'
united states of america, union of south africa
It looks like a good candidate for special code:
x=: (1e6 [EMAIL PROTECTED] 256){a.
6!:2 'lc x'
0.035136
t=: AA,a.
6!:2 't i. x'
0.008995
The gain should be about a factor of 4 in time and
a factor of 5 in space.
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