David Ward Lambert wrote:
>
> I asked how to write tacit A
>
> A=: 1 : '0&(;@:u) :: empty'
>
> And have discovered parentheses to convert the conjunction into an
> adverb. The answer is
>
> A=: ((0&)(;@:))( ::empty)
>
>
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>
>
Actually, that's not correct. Instead:
A =: ;@:(0&)( :: empty)
For example:
v A
0&(;@:v) ::empty
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