Sneaky trick. I like it. Thanks Don for clarifying this.
On Fri, Apr 5, 2013 at 8:32 AM, Dan Bron <[email protected]> wrote: > > Anyways, if you are not in a function > > definition it uses the name you > > are assigning to as a name in the > > current locale. > > Yes, but an important clarification for newcomers to J is that the normal > script loading mechanisms, load'script.ijs' and require'script.ijs' (this > latter one could be named loadOnlyOnce) wrap your scripts in function > definitions. > > This fact is transparent to the user, and has almost no material > implications, except that it permits local assignments in a script, outside > of function definitions in that script, to act as true-blue locals. They > exist and act normally during the script loading phase, and evaporate > thereafter. > > And, since the J IDE uses load and require to run (temporary) scripts > during development, you can use local names with abandon, and they won't > pollute any namespace. This allows the IJS window to function as a really > nice scratchpad. > > -Dan > > Please excuse typos; composed on a handheld device. > > On Apr 5, 2013, at 9:17 AM, Raul Miller <[email protected]> wrote: > > > Anyways, if you are not in a function definition it uses the name you > > are assigning to as a name in the current locale. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
