ruby error class/module name must be constant Point Baker Alaska

Address Po Box 436, Petersburg, AK 99833
Phone (907) 772-3100
Website Link
Hours

ruby error class/module name must be constant Point Baker, Alaska

Show more Language: English Content location: United States Restricted Mode: Off History Help Loading... thanks for the really quick answer! –S4M Jun 26 '11 at 20:23 6 Interestingly, you're allowed to do this: class Foo; end; f = Foo; f.new –jtbandes Jun 26 '11 Code Ruby: class Story < ActiveRecord::Base; end The first error (class/module name must be CONSTANT) means that the name you give to a class when declaring it should be a Ruby Out of the box, there are 3 ways to create classes in Ruby.

This feature is not available right now. CooperPress 12,403 views 34:01 Programming With Ruby Episode 15, Error Handling - Duration: 8:59. Advertisement Autoplay When autoplay is enabled, a suggested video will automatically play next. I don't think my code can be wrong.

About Press Copyright Creators Advertise Developers +YouTube Terms Privacy Policy & Safety Send feedback Try something new! Oct 7, 2009,16:50 #2 Louis Simoneau View Profile View Forum Posts Team ********* Join Date Sep 2009 Location Melbourne, Australia Posts 228 Mentioned 1 Post(s) Tagged 0 Thread(s) can you post Use Class.new Just like how we created a customer with Customer.new in the example above, we can create a class with Class.new: Customer = Class.new

You can define and use a class without ever assigning it to a constant: f=Class.new; f.new gives you an instance of the unnamed class residing in the local variable f –edgerunner Sign in Share More Report Need to report the video? To use Google Groups Discussions, please enable JavaScript in your browser settings, and then refresh this page. . With this in mind, you can define CustomerError more elegantly: CustomerError = Class.new(StandardError) This is such a minor improvement, but a good use-case

We’ve defined a base class Person, a child class BusDriver that inherits from Person. What to do with my pre-teen daughter who has been out of control since a severe accident? For example, code samples, or clarification of the documentation. Ricky Panzer 186 views 7:46 How to run Ruby script on Windows - Duration: 4:57.

Published on Aug 28, 2015 Category Education License Standard YouTube License Loading... If given the name parameter may subsequently be examined using the NameError.name method. Does the local network need to be hacked first for IoT devices to be accesible? Ruby constant is anything that starts with a capital. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PI = 3.

Turns out, there is a way, it’s called autoloading. Why is my e-mail so much bigger than the attached files? Constant resolution only uses the innermost module for searching, ignoring the enclosing scopes. asked 5 years ago viewed 15635 times active 2 years ago Visit Chat Linked 1 Understanding ruby modules Related 1487How to write a switch statement in Ruby0Ruby uninitialized constant NameError804Check if

What is a constant? Watch QueueQueueWatch QueueQueue Remove allDisconnect Loading... The second error (unexpected kEND) happens when the ruby interpreter comes to an "end" keyword that it wasn't expecting, here that could be because you omitted the semi-colon in the code Sign in 1 0 Don't like this video?

What I don't get is how you don't get a clear error message like I do. Thank you. It’s easy to see the lexical scopes search chain with Module::nesting method: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 module Recent Posts JSON Serialization in Rust, Part 2 JSON Serialization in Rust, Part 1 Immutability in Ruby Introduction to Full Text Search for Rails Developers Constant Resolution in Ruby GitHub Repos

If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. Is it unethical of me and can I get in trouble if a professor passes me based on an oral exam without attending class? Add to Want to watch this again later? Why were Native American code talkers used during WW2?

If it can’t find it there, it searches the enclosing scope and so on. Do Germans use “Okay” or “OK” to agree to a request or confirm that they’ve understood? share|improve this answer answered Jun 26 '11 at 20:21 Bruno Rohée 2,2661218 1 I am running ruby 1.9.2, on windows, gotten from the oneclick installer. But, if you limit using Struct to create inner classes for value objects, it's still safe and useful: class Customer # Internal: Class to create credit card value

Although you would use regular class definition in the vast majority of cases, Class.new and Struct would sometimes come in handy if you know how to use them. When a class mixes in a module, this module inserts itself between the class being mixed in and the parent class in the inheritance hierarchy. Up next RubyTapas 033 Classes and Constants - Duration: 2:30. This is why we're assigning the object returned by Class.new to Customer constant, but we can assign it to a regular variable as well.

Full search path Now that you’ve seen the inheritance part of the name search, you can see the full picture: 1 2 # searching from left to right 1) ? If you get stuck you can get support by emailing [email protected] If this is your first visit, be sure to check out the FAQ by clicking the link above.

Jake Day Williams 25,503 views 13:52 Ruby Gets Held Back - Duration: 9:38. Avdi Grimm 1,380 views 2:30 Installing ruby and the bel gem for Windows - Duration: 7:50. myBaseClass would be interpreted as an undefined local variable. On the other hand, if you don't use a constant in a regular class definition, you will get an error: SyntaxError: class/module name must be CONSTANT Now, why would you ever

Schrödinger's cat and Gravitational waves Why don't miners get boiled to death? class MyBaseClass fixes it. Derek Banas 241,651 views 55:30 Ruby - Sijutii (New Song) - Duration: 4:01. Sign in to make your opinion count.

What is a Cessna 172's maximum altitude? Working... Loading... Then goes the Person class, then, obviously, Object.

Loading... If we were to implememt autoloading from scratch, it would be something like this: 1 2 3 4 5 6 7 8 9 10 11 def Object.

Consider this code: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 class Person DRIVING_LICENSE_AGE = 18