123456789_123456789_123456789_123456789_123456789_

Class: ActionView::CollectionRenderer::CollectionIterator

Do not use. This class is for internal use only.
Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
Inherits: Object
Defined in: actionview/lib/action_view/renderer/collection_renderer.rb

Class Method Summary

Instance Attribute Summary

::Enumerable - Included

#many?

Returns true if the enumerable has more than 1 element.

Instance Method Summary

::Enumerable - Included

#compact_blank

Returns a new ::Array without the blank items.

#exclude?

The negative of the Enumerable#include?.

#excluding

Returns a copy of the enumerable excluding the specified elements.

#in_order_of

Returns a new ::Array where the order has been set to that provided in the series, based on the key of the objects in the original enumerable.

#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
#as_json

::ActiveSupport::EnumerableCoreExt::Constants - Included

Constructor Details

.new(collection) ⇒ CollectionIterator

[ GitHub ]

  
# 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