Class: Bmg::Ordering::Attributes

Inherits:
Object
  • Object
show all
Includes:
Bmg::Ordering
Defined in:
lib/bmg/support/ordering.rb

Overview

class Native

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Bmg::Ordering

#call, #map, new, #to_a

Constructor Details

#initialize(attrs) ⇒ Attributes

Returns a new instance of Attributes.



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# File 'lib/bmg/support/ordering.rb', line 45

def initialize(attrs)
  @attrs = if attrs.empty?
    []
  elsif attrs.first.is_a?(Symbol)
    attrs.map{|a| [a, :asc] }
  else
    attrs
  end
end

Instance Attribute Details

#attrs ⇒ Object (readonly)

Returns the value of attribute attrs.



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# File 'lib/bmg/support/ordering.rb', line 54

def attrs
  @attrs
end

Instance Method Details

#comparator ⇒ Object 



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# File 'lib/bmg/support/ordering.rb', line 56

def comparator
  @comparator ||= ->(t1, t2) { compare_attrs(t1, t2) }
end

#to_pairs ⇒ Object 



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# File 'lib/bmg/support/ordering.rb', line 60

def to_pairs
  attrs.to_a
end