;@:{ Improved <a

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;@:{ Improved | initial writing: 2003-12-03 last updated: 2004-02-04

The dyads`;@:{` and`[: ; {` are now supported by special code. The following benchmarks demonstrate the improvement.

       x=: ;:'fourscore and ten years ago our fathers brought forth on this continent'
       i=: ?1e6$#x
       (;i{x) -: i ;@:{ x
    1
       ts=: 6!:2 , 7!:2@]

       ts ';i{x'
    0.286051 1.67779e7
       ts 'i ;@:{ x'
    0.107211 8.38944e6

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