along the lines of Raul's suggestion,
but closer to the original request of Richard's
> f=:3
> (=: >:) f
> |syntax error
> | (=:>:)f
>
> Why is this not allowed?
is the monadic version.
mdf=:1 :0
(y)=:u (".y)
)
NB. For example
] N=:4
4
>: mdf 'N'
5
N
5
cheers, bob
On -Apr21-2010, at -Apr21-20109:39 AM, Raul Miller wrote:
> For what it's worth, here is how to define, in J, a
> word which parallels C's modified assignment
> operations:
>
> modf=:1 :0
> :
> (x)=:(".x)u y
> )
>
>
> Its use pattern is:
>
> quotedname verb modf noun
>
> Its meaning is:
> name =: name verb noun
>
> where name is the name which was quoted.
>
> For example:
> N=:10
> 'N' + modf 3
> 'N' * modf 2
>
> N will have the value 26 after executing these lines.
>
> If any of this needs explaining, please let me know.
>
> FYI,
>
> --
> Raul
> ----------------------------------------------------------------------
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