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Fix the docs for Module#parents and related methods in guides [ci skip] 

- Followup of https://github.com/rails/rails/pull/34051
This commit is contained in:
Prathamesh Sonpatki 2018-10-03 21:44:39 +05:30
parent b2bc4369a3
commit 92be3848f9
1 changed files with 16 additions and 16 deletions
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32
guides/source/active_support_core_extensions.md
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@ -590,9 +590,9 @@ NOTE: Defined in `active_support/core_ext/module/attribute_accessors.rb`.
### Parents
#### `parent`
#### `module_parent`
The `parent` method on a nested named module returns the module that contains its corresponding constant:
The `module_parent` method on a nested named module returns the module that contains its corresponding constant:
```ruby
module X
@ -603,19 +603,19 @@ module X
end
M = X::Y::Z
X::Y::Z.parent # => X::Y
M.parent # => X::Y
X::Y::Z.module_parent # => X::Y
M.module_parent # => X::Y
```
If the module is anonymous or belongs to the top-level, `parent` returns `Object`.
If the module is anonymous or belongs to the top-level, `module_parent` returns `Object`.
WARNING: Note that in that case `parent_name` returns `nil`.
WARNING: Note that in that case `module_parent_name` returns `nil`.
NOTE: Defined in `active_support/core_ext/module/introspection.rb`.
#### `parent_name`
#### `module_parent_name`
The `parent_name` method on a nested named module returns the fully qualified name of the module that contains its corresponding constant:
The `module_parent_name` method on a nested named module returns the fully qualified name of the module that contains its corresponding constant:
```ruby
module X
@ -626,19 +626,19 @@ module X
end
M = X::Y::Z
X::Y::Z.parent_name # => "X::Y"
M.parent_name # => "X::Y"
X::Y::Z.module_parent_name # => "X::Y"
M.module_parent_name # => "X::Y"
```
For top-level or anonymous modules `parent_name` returns `nil`.
For top-level or anonymous modules `module_parent_name` returns `nil`.
WARNING: Note that in that case `parent` returns `Object`.
WARNING: Note that in that case `module_parent` returns `Object`.
NOTE: Defined in `active_support/core_ext/module/introspection.rb`.
#### `parents`
#### `module_parents`
The method `parents` calls `parent` on the receiver and upwards until `Object` is reached. The chain is returned in an array, from bottom to top:
The method `module_parents` calls `module_parent` on the receiver and upwards until `Object` is reached. The chain is returned in an array, from bottom to top:
```ruby
module X
@ -649,8 +649,8 @@ module X
end
M = X::Y::Z
X::Y::Z.parents # => [X::Y, X, Object]
M.parents # => [X::Y, X, Object]
X::Y::Z.module_parents # => [X::Y, X, Object]
M.module_parents # => [X::Y, X, Object]
```
NOTE: Defined in `active_support/core_ext/module/introspection.rb`.