The try block is hiding an error, ERROR: UndefVarError: i not defined. You
need to interpolate the i variable in the quoted expression using $i:
for i=1:4
try
if i==3 error() end
eval(:(push!(a,$i)))
catch e
end
end
— Mike
On Wednesday, 21 October 2015 09:11:44 UTC+2, 2n wrote:
>
> I'm trying to eval an expression in a try block and it doesn't seem to
> work.
> a=[]
> for i=1:4
> try
> if i==3 error() end
> eval(:(push!(a,i)))
> catch e
> end
> end
>
> a
>
> After running the above code a evaluates to:
>
> 0-element Array{Any,1}
>
> I'm expecting and want the same result as the code below which evaluates to:
> 3-element Array{Any,1}:
> 1
> 2
> 4
>
> a=[]
> for i=1:4
> try
> if i==3 error() end
> push!(a,i)
> catch e
> end
> end
>
> a
>
> Is there a way to get expression evalution to work in this case?
>
>
