Re: Using Lua's string interning for faster compares?

[HyperHacker <hyperhacker@...>]

On Tue, Jan 17, 2012 at 17:42, Roberto Ierusalimschy
<roberto@inf.puc-rio.br> wrote:
>> > So we can rely on this behaviour and safely compare the pointer
>> > instead of the string itself?
>>
>> Yes, but you have to make sure that the strings still exist in Lua,
>> that is, are not collected. One way to do that is to use them as keys
>> or values in a table.
>
> To be 'religious' about the specification, you should not use a string
> pointer unless the string is anchored in the stack. But I guess it is
> quite safe to do the above in current implementations.
>
> -- Roberto
>

The registry table wouldn't be suitable for this?

-- 
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