[xquery-talk] Are declared variables a bad thing?
mike at saxonica.com
Mon Jan 7 09:51:12 PST 2008
> Once during my computer studies I was told (paraphrasing)
> "Global variables are bad. Bad, bad, BAD!"
> Why? It is bad style, making for buggy, opaque code and
> harder program maintenance.
It's bad in procedural languages because updates to global variables are a
common source of bugs.
It does no harm in declarative languages, where global variables can't be
More information about the talk