Class: Dataset::Collection

Inherits:

Array

• Object
• Array
• Dataset::Collection

Defined in:

lib/dataset/collection.rb

Overview

:nodoc:

Instance Method Summary

• #<<(dataset) ⇒ Object
• #initialize(parent) ⇒ Collection constructor

  A new instance of Collection.

• #subset?(other) ⇒ Boolean

Constructor Details

#initialize(parent) ⇒ Collection

Returns a new instance of Collection.

# File 'lib/dataset/collection.rb', line 5

def initialize(parent)
  concat parent
end

Instance Method Details

#<<(dataset) ⇒ Object

# File 'lib/dataset/collection.rb', line 9

def <<(dataset)
  super
  uniq!
  self
end

#subset?(other) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/dataset/collection.rb', line 15

def subset?(other)
  Set.new(self).subset?(Set.new(other))
end