Thank you Mike, your solution works.
However, I don't understand why the $ interpolation is required. I see the
variable *a* does not require interpolation, why does *i* require it?
On Wednesday, 21 October 2015 15:30:42 UTC+8, Michael Hatherly wrote:
>
> 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?
>>
>>
