Class: ActionView::CollectionRenderer::CollectionIterator
Relationships & Source Files | |
Extension / Inclusion / Inheritance Descendants | |
Subclasses:
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Super Chains via Extension / Inclusion / Inheritance | |
Instance Chain:
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Inherits: | Object |
Defined in: | actionview/lib/action_view/renderer/collection_renderer.rb |
Class Method Summary
- .new(collection) ⇒ CollectionIterator constructor
Instance Attribute Summary
::Enumerable
- Included
#many? | Returns |
Instance Method Summary
::Enumerable
- Included
#compact_blank | Returns a new |
#exclude? | The negative of the |
#excluding | Returns a copy of the enumerable excluding the specified elements. |
#in_order_of | Returns a new |
#including | Returns a new array that includes the passed elements. |
#index_by | Convert an enumerable to a hash, using the block result as the key and the element as the value. |
#index_with | Convert an enumerable to a hash, using the element as the key and the block result as the value. |
#maximum | Calculates the maximum from the extracted elements. |
#minimum | Calculates the minimum from the extracted elements. |
#pick | Extract the given key from the first element in the enumerable. |
#pluck | Extract the given key from each element in the enumerable. |
#sole | Returns the sole item in the enumerable. |
#without | Alias for Enumerable#excluding. |
#as_json |
::ActiveSupport::EnumerableCoreExt::Constants
- Included
Constructor Details
.new(collection) ⇒ CollectionIterator
# File 'actionview/lib/action_view/renderer/collection_renderer.rb', line 39
def initialize(collection) @collection = collection end
Instance Method Details
#each(&blk)
[ GitHub ]# File 'actionview/lib/action_view/renderer/collection_renderer.rb', line 43
def each(&blk) @collection.each(&blk) end
#length
[ GitHub ]# File 'actionview/lib/action_view/renderer/collection_renderer.rb', line 51
def length @collection.respond_to?(:length) ? @collection.length : size end
#preload!
[ GitHub ]# File 'actionview/lib/action_view/renderer/collection_renderer.rb', line 55
def preload! # no-op end
#size
[ GitHub ]# File 'actionview/lib/action_view/renderer/collection_renderer.rb', line 47
def size @collection.size end