in my continuing quest to understand Julia tasks, i have created the
following contrived example which does not behave as i would expect. can
anyone help explain please? thanks in advance.
julia> function printfoobar()
println("foo")
println("bar")
end
printfoobar (generic function with 1 method)
julia> printfoobar() # great, it works
foo
bar
julia> println("honey"); println("wagon") # no surprise again
honey
wagon
julia> t = @async (println("honey"); println("wagon")) # works too,
modulo 'Task' being inbetween
honey
Task (queued) @0x00007fb59e832500wagon
julia> t = @async printfoobar() # ditto: foo and bar both printed,
albeit with 'Task' inbetween
foo
Task (queued) @0x00007fb59f2e1720bar
julia> t = @async (println("honey"); printfoobar(); println("wagon")) #
WHERE ARE bar AND wagon ???
honey
Task (queued) @0x00007fb59f2e1840foo
julia> # <ENTER> #nope, they still don't appear
julia> # <ENTER>
julia> # <ENTER>
julia> wait(t) # nope, still no further printed output
julia> yield() # still no joy
julia> istaskdone(t)
true
is it that println("foo") and println("wagon") never get executed? or that
the output stream is just not making it to the REPL? this is in 0.3.6 by
the way. similar things happen on a 0 day old master.
