If you keep reading from the link you gave:
The variable relation is declared inside the if block, but used outside.
However, when depending on this behavior, make sure all possible code paths
define a value for the variable. The following change to the above function
results in a runtime
The x is not kept between iterations of the for
see
http://docs.julialang.org/en/release-0.4/manual/variables-and-scoping/#for-loops-and-comprehensions
On Monday, February 8, 2016 at 9:41:40 PM UTC+10, David van Leeuwen wrote:
>
> Hello,
>
> According to
>
