": Improved

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": Improved | initial writing: 2004-07-16 last updated: 2005-02-09

The monad`":``` is now faster and leaner on integer arguments. The following benchmarks illustrate the improvements.

    ts=: 6!:2 , 7!:2@]   NB. time and space
    ts '":x'

x |  | J 5.04 |  | J 5.03 |  | Ratio
`1e6 ?@$ 1e9` |  | 0.61021 1.67779e7 |  | 3.54398 3.35551e7 |  | 5.81 2.00
`1000 1000 ?@$ 1e9` |  | 1.09237 3.35592e7 |  | 3.78867 3.35592e7 |  | 3.47 1.00

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