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On Tue, Jun 24, 2014 at 12:32 PM, Roberto Ierusalimschy
<> wrote:

> string.sub("abc", 2.3) currently behaves in a non-specified way
> (although most certainly it is equivalent to string.sub("abc", 2)
> and we are afraid some programmers assume this behavior); current
> 5.3w specifies that 2.3 should be truncated to 2, while with this new
> proposal Lua would raise an error.

I'm trying to imagine a creative use for incrementing a float in a
linear way to index/substring something.  An error sounds appropriate,