A few useful shortcuts:
isBoxed=: 0 < L.
isChar=: {.@, e. a."_
isInt=: = <.
isReal=: = +
Louis
> On 2 Apr 2017, at 14:43, 'Pascal Jasmin' via Programming
> <[email protected]> wrote:
>
> datatype or 3!:0
>
>
> datatype 3 4.1 0
>
>
>
>
> ________________________________
> From: Herbert Weissenbaeck // Privat <[email protected]>
> To: [email protected]
> Sent: Sunday, April 2, 2017 8:33 AM
> Subject: [Jprogramming] type/domain of an argument
>
>
>
> quick beginner's question:
>
> how can i test whether an x or y argument is an array of int or an array of
> float or an array of char or of any other type (to avoid domain errors and
> handle different types differently in functions)?
>
> thank you
>
> herbert
>
>
> ----------------------------------------------------------------------
>
> For information about J forums see http://www.jsoftware.com/forums.htm
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
