Re: Arithmetic on strings
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- Subject: Re: Arithmetic on strings
- From: Roberto Ierusalimschy <roberto@...>
- Date: 2012年6月13日 15:30:45 -0300
> > Concerning (2): not all types have metatables so boolean is still
> > somewhat of a problem then. (I can live with it.)
>
> We can use the metatables for strings (if at least one argument is
> a string)! This already works both in 5.1 and 5.2:
>
> [...]
PS: the same trick works for numbers and numeric operators.
-- Roberto
- References:
- Re: Arithmetic on strings, steve donovan
- Re: Arithmetic on strings, liam mail
- Re: Arithmetic on strings, Andrew Starks
- Re: Arithmetic on strings, Javier Guerra Giraldez
- Re: Arithmetic on strings, Roberto Ierusalimschy
- Re: Arithmetic on strings, liam mail
- Re: Arithmetic on strings, Hans Hagen
- Re: Arithmetic on strings, Roberto Ierusalimschy
- Re: Arithmetic on strings, Hans Hagen
- Re: Arithmetic on strings, Roberto Ierusalimschy