Scope Missunderstanding

ruby-talk
1

i got a module x and then a class z and inside this class i do a
Net::HTTP call and it looks for it inside module x ... and i am
clueless...

i get uninitialized constant ModuleX::Net::HTTP

i am new to ruby... and i just dont know how the scope works...
or what i am doing wrong

i took a look at the soap module
and it dosent look like it does anything
different than what i am doing...

require 'uri'
require 'net/http'

module ModuleX

class Parser
  def self.getData(d)
    htmldata = self.loadData(d)
  end
  private
    def self.loadData(profile)
      url=''
      htmldata = Net::HTTP.get(URI.parse(url))
      htmldata.to_s
    end
end

end

i advance thanks for shading liggt

···

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2

I couldn't replicate that error using your code in ruby 1.8.7 or
in ruby 1.9. What version are you using?

In any case, you can always force constants to be resolved
from the top level by preceding them with two colons:

::Net::HTTP

Gary Wright

···

On Oct 27, 2009, at 2:32 PM, Vic P.h. wrote:

i got a module x and then a class z and inside this class i do a
Net::HTTP call and it looks for it inside module x ... and i am
clueless...

i get uninitialized constant ModuleX::Net::HTTP

3

Hi --

i got a module x and then a class z and inside this class i do a
Net::HTTP call and it looks for it inside module x ... and i am
clueless...

i get uninitialized constant ModuleX::Net::HTTP

i am new to ruby... and i just dont know how the scope works...
or what i am doing wrong

i took a look at the soap module
and it dosent look like it does anything
different than what i am doing...

>
require 'uri'
require 'net/http'

module ModuleX

class Parser
def self.getData(d)
   htmldata = self.loadData(d)
end
private
   def self.loadData(profile)

That private directive isn't doing what you think. It governs instance
methods, but you're defining class methods. If you want a private
class method, you need to declare it private in the class's singleton
class:

class C
   private
   def self.talk
     puts "hi"
   end
   class << self
     private
     def talk_privately
       puts "hi privately"
     end
   end
end

C.talk # "hi"
C.talk_privately # error

     url=''
     htmldata = Net::HTTP.get(URI.parse(url))
     htmldata.to_s
   end
end

end

Like Gary, I can't replicate the constant error you're getting.

David

···

On Wed, 28 Oct 2009, Vic P.h. wrote:

--
The Ruby training with D. Black, G. Brown, J.McAnally
Compleat Jan 22-23, 2010, Tampa, FL
Rubyist http://www.thecompleatrubyist.com

David A. Black/Ruby Power and Light, LLC (http://www.rubypal.com)

4

Mex Noob Yes wrote:

i got a module x and then a class z and inside this class i do a
Net::HTTP call and it looks for it inside module x ... and i am
clueless...

i get uninitialized constant ModuleX::Net::HTTP

Almost certainly you forgot the "require 'net/http'" in the actualy code
you're using, or else you have a typo in the 'Net' or 'HTTP'.

Ruby tries both Net::HTTP and ModuleX::Net::HTTP, and will only give
this error if both don't exist. Hence I don't believe that you have
actually loaded Net::HTTP.

···

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