Can someone see what I cannot given this code?
class ForexCASource
def initialize(source=nil)
xchg_source unless source
puts "this is source = #{source} #{source.class}"
puts "do we get here? why?"
xchg_source(source)
end
>> fx = ForexCASource.new
this is source = NilClass
do we get here? why?
TypeError: can't convert nil into String
from /usr/lib/ruby/1.8/open-uri.rb:32:in
`open_uri_original_open'
from /usr/lib/ruby/1.8/open-uri.rb:32:in `open'
from
/home/byrnejb/Software/Development/Projects/proforma.git/app/services/forex_ca_source.rb:58:in
`xchg_source'
from
/home/byrnejb/Software/Development/Projects/proforma.git/app/services/forex_ca_source.rb:52:in
`initialize'
from (irb):1:in `new'
from (irb):1
>>
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