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• Subject: Re: tables with multiple indeces?
• From: Chris Marrin <chris@...>
• Date: Mon, 20 Mar 2006 11:00:46 -0800

```Gavin Kistner wrote:
```
```On Mar 20, 2006, at 8:41 AM, Chris Marrin wrote:

```
```This WILL happen if you do this:

t[{1,2,3}]
```
```

As a silly idea, to simplify the syntax, how about:
t{ 1, 2, 3 }

```
Where 't' is actually a closure function wrapping up a table of your choosing?
```
```
Or t can still be a table, whose metatable has a __call method. This will call the method with a single table param. The question is what do you want to do with this. If you say:
```
local a = t{1,2,3}

```
Then presumably you are dereferencing the table in some interesting way, and the __call function can do that for reasonable results. But this:
```
t{1,2,3} = 12

```
is not legal Lua syntax. Unfortunately, a Lua function cannot return an 'lvalue' (in C nomemclature). Seems like it would be useful to allow a function call to be on the left side of an assignment statement. By default this:
```
f(a,b) = 12+14

could translate to:

f( {a,b}, {12+14} )

```
Using tables would make it easy to separate the input params from the right-side expression.
```
Just a thought...

--
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"As a general rule,don't solve puzzles that open portals to Hell"'

```