Re: level argument for assert

[Philipp Janda <siffiejoe@...>]

Am 02.01.2013 12:05, schrieb Thijs Schreijer:
> [...]
>
> So to me it works perfectly well, the one caveat being that if you use it to check on returned function values, you cannot use the level argument with functions that return more than 1 value.

Another caveat is that some functions in os and many functions in io 
return nil,msg,errno in case of error, and this would mess with the 
level argument ...

> The upside is that it becomes very easy to use the other very common use of assert; argument checking (the way I added it to foo() in the example) with a proper level reported to the enduser.
>
> Thijs

Philipp