RE: Discussion: Closures

How about

{parm1, param2{body}}

Where the no parameter version might be:
{{body}}

Making the use of closures distinct and obvious to the compiler and fairly
easy for coder.

So one could extend the notion of the for loop...

for (a;b;c;{a{body}})

or have 
myclosure = {a,b{print(a+" and "+b}};

Just a thought. 

-----Original Message-----
From: Patrick Niemeyer [mailto:[email protected]]
Sent: Thursday, February 03, 2005 1:32 PM
To: [email protected]
Cc: BeanShell Developers
Subject: Re: [Beanshell-dev] Discussion: Closures



On Feb 3, 2005, at 11:37 AM, [email protected] wrote:

> x() { foo=someMethod(); ... }
>
> but then 'x' denotes a value that can be passed around just like 
> anything else. In an assignment statement such as"

It would not be hard to pass around BeanShell methods as closures (you 
can technically do it now it's just not syntactically appealing).  But 
as you point out, it seems that one of the more compelling usages is 
for anonymous closures.  There is also the issue that currently 
BeanShell method and variable names are separate spaces, e.g. you can 
say:

foo=foo();


> but I'd prefer something more beanshell like:
>
> (param1, param2) { body }

This is something I thought about a little... but what happens when 
there are no parameters?

() { body };

It gets much less recognizable.


Pat



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