Re: [Sqlgrey-users] idea for improving Discrimination feature

[Dan F. <da...@ha...>]

David Landgren wrote:
> There's nothing odd about this, it's standard Perl behaviour.
>
> each() stores its state on the hash, and returns the next element each 
> (heh) time it is called until all the keys have been visited, at which 
> point it returns undef. This can have surprising consequences. If you 
> call each() from different areas in the code upon the same hash: the 
> next call to each() returns the next item in from the hash's point of 
> view, not the caller's point of view.
>
>   
Its simply because im not a regular perl coder then. I assumed the 
function would operate on a copy of the hash, as it is with most other 
languages. Took me quite a while to figure out what was going on and 
then fix it with the keys %hash :)