Re: Undefined method `-' for nil

On 10/09/2012 10:22 AM, Joz Private wrote:
> Sam Duncan wrote in post #1079016:
>> On 10/09/2012 09:35 AM, Joz Private wrote:
>>>         then true
>>>
>>>       end
>>> amount_of_deposits, amount_of_loans
>>>       else
>>> class Bankrupter
>>>     MN = Developer.new("MN", 3000000, "100000, 300000", "BOI,RSB", false)
>>>     bank_object_array = [ AIB, Anglo, BOI, RBS, Ulster ]
>>>           end
>>>       else puts("#{dev.name} is not bankrupt.")
>>>       end
>>>     end
>>>
>>> end
>>>
>> Well for a start, Bank#moves_loans method takes an 'amount' argument
>> which you don't appear to be passing. I wouldn't be assigning your bank
>> and developer instances to constants either (variable names starting
>> with upper case letters are implicitly constants in Ruby). Also, the
>> constructor for the Bank object takes 3 values, however you are passing
>> them 5?
>>
> My bad, I just copied the code wrong .... assuming I have all that fixed
> ...
>
> I've stumbled on this:
>
> The move_loans method works if I use this code below as I get the
> output:
>
> def move_loans
>       puts(amount_of_loans - amount)
> end
>
> But if I replace the body with what I really want, it throws the error:
>
> def moves_loans
>       amount_of_loans = amount_of_loans - amount
> end
>
> It seems to be THAT body right there that's throwing the error...what's
> going on??!!
>
>
>> Sam
It is very confusing what the code actually looks like. Do you think you 
could put the whole lot up as a gist on github or some other pastebin 
type bizzo? It is not clear where the 'amount' value comes from in that 
method now for a start =]

Sam