Re: [julia-users] Extending a DataFrame (or, why aren't my imports working?)

[kevin . dale . smith]

On Saturday, March 28, 2015 at 4:19:44 PM UTC-5, Mauro wrote:
>
> Now, generic functions carry 
> around with them the module in which they were first defined.  To extend 
> such a function with another method in another module you either have to 
> import it or fully qualify it (DataFrames.nrow).  If you don't do that 
> then you create a new generic function with the same name as the other 
> but not sharing any methods.  Also, this function will shadow the other 
> one in the current module. 
>
>
Aha.  This is the piece of information I was looking for.  It seems a bit 
odd, but it does clear up some things.  I'll have to play around with my 
implementation and this new information to see if it helps.