help(findin) will tell you that the 2nd argument of findin should be a collection, not a single element. So you want findin(suo2, [a])
- [julia-users] How to find index in Array{AbstractString,... paul analyst
- [julia-users] Re: How to find index in Array{Abstra... Steven G. Johnson
- [julia-users] Re: How to find index in Array{Ab... David van Leeuwen