Class: Alf::Engine::Compact

Inherits:
Object
  • Object
show all
Includes:
Cog
Defined in:
lib/alf-engine/alf/engine/compact.rb

Overview

Remove duplicate tuples from its operand.

Defined Under Namespace

Classes: Set, Uniq

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Cog

#each, #to_dot, #to_relation

Constructor Details

#initialize(operand) ⇒ Compact

Creates a Compact instance



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# File 'lib/alf-engine/alf/engine/compact.rb', line 13

def initialize(operand)
  @operand = operand
end

Instance Attribute Details

#operandEnumerable (readonly)

Returns The operand.

Returns:

  • (Enumerable)

    The operand



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# File 'lib/alf-engine/alf/engine/compact.rb', line 10

def operand
  @operand
end

Instance Method Details

#_each(&block) ⇒ Object



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# File 'lib/alf-engine/alf/engine/compact.rb', line 18

def _each(&block)
  Compact::Uniq.new(operand).each(&block)
end