Re: Why does this work: ('5'):rep(4) --> 5555 ?
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- Subject: Re: Why does this work: ('5'):rep(4) --> 5555 ?
- From: Rob Kendrick <rjek@...>
- Date: 2014年9月10日 15:03:03 +0100
On Wed, Sep 10, 2014 at 08:58:34AM -0500, Robert McLay wrote:
> The question I'm asking is why a string literal can be used with string
> member function like format and rep:
>
> s = ('5'):rep(10) --> 5555555555
>
> I would have normally done:
>
> ss = 5
> s = ss:rep(10)
rep() is a method for strings. '5' is a string, 5 is a number. It would
make no sense to execute it on a number. Indeed, rep() is not a method
on numbers (not via the default metatables, at least.)
B.