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pass over the autoloading guide [ci skip]

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Vijay Dev 2014-12-20 15:33:17 +00:00
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guides/source/constant_autoloading_and_reloading.md
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Constant Autoloading and Reloading Autoloading and Reloading Constants
================================== ===================================
This guide documents how constant autoloading and reloading works. This guide documents how constant autoloading and reloading works.
@ -186,8 +186,8 @@ Project.name # => "Project"
``` ```
Constant assignment has a special rule to make that happen: if the object Constant assignment has a special rule to make that happen: if the object
being assigned is an anonymous class or module, Ruby sets its name to be the being assigned is an anonymous class or module, Ruby sets the object's name to
one the constant. the name of the constant.
INFO. From then on, what happens to the constant and the instance does not INFO. From then on, what happens to the constant and the instance does not
matter. For example, the constant could be deleted, the class object could be matter. For example, the constant could be deleted, the class object could be
@ -221,7 +221,7 @@ assignment.
Thus, when one informally says "the `String` class", that really means: the Thus, when one informally says "the `String` class", that really means: the
class object stored in the constant called "String" in the class object stored class object stored in the constant called "String" in the class object stored
in the `Object` constant. `String` is otherwise an ordinary Ruby constant and in the `Object` constant. `String` is otherwise an ordinary Ruby constant and
everything related to constants applies to it, resolution algorithms, etc. everything related to constants such as resolution algorithms applies to it.
Likewise, in the controller Likewise, in the controller
@ -270,7 +270,7 @@ In particular, `Colors::RED` is totally unrelated to any other `RED` constant
that may live in any other class or module object. If there were any, they that may live in any other class or module object. If there were any, they
would have separate entries in their respective constant tables. would have separate entries in their respective constant tables.
Put special attention in the previous paragraphs to the distinction between Pay special attention in the previous paragraphs to the distinction between
class and module objects, constant names, and value objects associated to them class and module objects, constant names, and value objects associated to them
in constant tables. in constant tables.
@ -446,7 +446,7 @@ default it contains:
Also, this collection is configurable via `config.autoload_paths`. For example, Also, this collection is configurable via `config.autoload_paths`. For example,
`lib` was in the list years ago, but no longer is. An application can opt-in `lib` was in the list years ago, but no longer is. An application can opt-in
throwing this to `config/application.rb`: by adding this to `config/application.rb`:
```ruby ```ruby
config.autoload_paths += "#{Rails.root}/lib" config.autoload_paths += "#{Rails.root}/lib"
@ -889,7 +889,7 @@ end
### Autoloading and STI ### Autoloading and STI
Single Table Inheritance (STI) is a feature of Active Record that easies Single Table Inheritance (STI) is a feature of Active Record that enables
storing a hierarchy of models in one single table. The API of such models is storing a hierarchy of models in one single table. The API of such models is
aware of the hierarchy and encapsulates some common needs. For example, given aware of the hierarchy and encapsulates some common needs. For example, given
these classes: these classes: