You could even do x[direction] += rand([-1, 1]). The allocation can be avoided by defining a global constant with [-1, 1] as its contents.
On Saturday, September 24, 2016 at 6:54:47 PM UTC-4, Steven G. Johnson wrote: > > > > On Saturday, September 24, 2016 at 6:09:14 PM UTC-4, David P. Sanders > wrote: >> >> julia> if rand() < 0.5 >> > > You can also do "if rand(Bool)" >
