last result in ghci

Bernard James POPE bjpop@cs.mu.OZ.AU
Thu, 2 May 2002 18:20:53 +1000 (EST)


> Dear GHC,
> 
> Do you provide in your interactive system a denotation for 
> the last result?  
> (`:?' command does not show it). For example,
> 
>   Prelude> 1
>   1
>   Prelude> % + 1
>   2
>   ...

It is called "it"

Prelude> 1
1
Prelude> it + 1
2
Prelude> it + 1
3

This follows from other environments, for example I have seen
this in ml interpreters before.

Cheers,
Bernie.