The warning is super clear. I think it may be the "ERROR: `start` has no method matching start(::Nothing)" part that's causing the confusion.
On Tue, Aug 26, 2014 at 1:26 PM, Tim Holy <[email protected]> wrote: > Can you clarify what about that warning message _doesn't_ explain what you > need to do to fix the situation? I'm asking seriously because we're always > interested in improving error messages, but I thought this one was > admirably > clear and specific. > > --Tim > > On Tuesday, August 26, 2014 10:20:52 AM Ethan Anderes wrote: > > Right, I had tried using esc (even though I don’t really understand why I > > need it) but I still get an error. > > > > Here’s the macro (I took out using ProfileView) > > > > macro profileview(ex) > > quote > > Profile.clear() > > @profile $(esc(ex)) > > # using ProfileView > > ProfileView.view() > > end > > end > > > > and here is the error > > > > julia> using ProfileView > > > > julia> @profileview sin(10) > > WARNING: There were no samples collected. Run your program longer > (perhaps > > by running it multiple times), or adjust the delay between samples with > > Profile.init(). > > ERROR: `start` has no method matching start(::Nothing) > > in view at > > /Users/ethananderes/.julia/v0.3/ProfileView/src/ProfileView.jl:116 > (repeats > > 2 times) in anonymous at none:6 > > > > Maybe this is a ProfileView thing? Anyhoo, thanks. > > > > Ethan > > > > On Tuesday, August 26, 2014 10:02:30 AM UTC-7, Stefan Karpinski wrote: > > > > To make your macro hygienic, you need to do this: > > > macro profileview(ex) > > > > > > quote > > > > > > Profile.clear() > > > @profile $(esc(ex)) > > > using ProfileView > > > ProfileView.view() > > > > > > end > > > > > > end > > > > > > > > > There also may be a problem with having `using ProfileView` emitted in > a > > > macro like this, but fixing the hygiene issue is a good first thing to > > > try. > > > > > > On Tue, Aug 26, 2014 at 12:33 PM, Ethan Anderes <[email protected] > > > > > > <javascript:>> wrote: > > >> Hi Folks, > > >> I’m trying to write a macro for my .juliarc.jl file which lays down > the > > >> syntax for generating a ProfileView. I use ProfileView infrequent > enough > > >> that whenever I use it I need to refer to the github page. To fix > this I > > >> want to write something really quick and easy but I’m running into > > >> problems > > >> with the following macro. > > >> > > >> macro profileview(ex) > > >> > > >> quote > > >> > > >> Profile.clear() > > >> @profile $ex > > >> using ProfileView > > >> ProfileView.view() # <---- this seems to be the problem > > >> > > >> end > > >> > > >> end > > >> > > >> I get the following error > > >> > > >> julia> @profileview sin(10) > > >> ERROR: error compiling anonymous: unsupported or misplaced expression > > >> using in function anonymous > > >> > > >> I don’t have any experience with macros so I can’t tell what I’m doing > > >> wrong here. I would like to be able to write @profileview foo(x) and > > >> have the profile window pop up. Any suggestions? > > >> > > >> Thanks, > > >> Ethan > > >> > > >> > > > > >
