What would you expect an assignment at global scope to do? If it created a local variable, what scope would it be local to?
On Fri, Dec 5, 2014 at 8:41 AM, John Drummond <john...@gmail.com> wrote: > Thanks. I missed a couple of those links, though I did try seaching. > Yes I'd read the last performance tips, but what I hadn't found was why it > wasn't harder to have global variables or in what cases they'd be essential. > > > On Friday, December 5, 2014 1:06:19 PM UTC, Isaiah wrote: >> >> See the discussions in >> http://julia.readthedocs.org/en/release-0.3/manual/performance-tips/ >> https://github.com/JuliaLang/julia/issues/524 >> https://github.com/JuliaLang/julia/issues/8870 >> (and elsewhere) >> >> >> On Fri, Dec 5, 2014 at 7:13 AM, John Drummond <joh...@gmail.com> wrote: >> >>> I suspect I'm missing something here. >>> >>> I had a simple script to strip out nuls from a text file. >>> placing a let at the beginning and end at the end resulted in a 70 times >>> speed up. >>> >>> I'm wondering what the reason is that there isn't the equivalent of a >>> let end wrapped around everything, and where global variables have to be >>> used they have to be specifically declared as such? >>> >>> >>> >>> >>
