Re: [boost] Re: Review Request: FC++

From: Douglas Gregor (gregod_at_[hidden])
Date: 2003-10-08 23:20:31

On Wednesday 08 October 2003 04:42 pm, David Abrahams wrote:
> Well, I'm familiar with lisp, where it's:
>
>       (let ((v1 <sexpr1>) (v2 <sexpr2>) ... )
>            <body-sexpr1>
>            <body-sexpr2>
>            ...
>            <result-sexpr>)
>
> So I'd think something like:
>
>     let[ (Y = X %plus% 3, F = minus[2]),
>          F[Y]
>        ]
>
> Would be more analagous, and terser.  I don't see why "in" is of any
> help.

The FC++ syntax is much closer to ML, which looks more like:

  let variable = <expr> in <structure>

I just like the obvious syntactical break between the introduction of the new 
bound variable name and the scope in which it is used.

        Doug