Re: Assignment in functional conditionals, any alternative?

["Wim Couwenberg" <w.couwenberg@...>]

RLake@oxfam.org.uk wrote:
> It certainly works for your first example, with a while statement
> (with limited scope):
> 
> (*) while x := foo() do print(x) end  (to use Mark's syntax)
> 
> is simply
> 
>     for x in foo do print(x) end

This is not entirely true on at least two accounts:

1)  foo will be called with 2 arguments instead of none.
2)  the for loop will _not_ stop for x==false, but only for x==nil.

Bye,
Wim