Re: Experience with Large Applications in Lua?

[Daniel Silverstone <dsilvers@...>]

Daniel Silverstone wrote:
> Jamie Webb wrote:
>
> > In this vein though, it would still be nice if one could write in Lua
> > something like:
> >
> > function foobar(String x, MyClass y) ... end
> >
> > Where String and MyClass are predicates aginst which the arguments can
> > be checked, if enabled by an interpreter flag.
>
>
> function String(x)
>   return assert(type(x)=="string", "String expected, got " .. type(x))
> end
>
> function MyClass(x)
>   return assert(classtype(x)=="MyClass", "MyClass expected, got " .. 
> classtype(x))
> end

Oops, I forgot to add:

function foobar(String(x), MyClass(y)) ... end

then does what you want.

D.