Class: Arel::Nodes::Unary

Inherits:
Node
  • Object
show all
Defined in:
lib/arel/nodes/unary.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#_caller, #and, #each, #not, #or, #to_sql

Methods included from FactoryMethods

#create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping, #lower

Constructor Details

#initialize(expr) ⇒ Unary

Returns a new instance of Unary



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# File 'lib/arel/nodes/unary.rb', line 7

def initialize expr
  super()
  @expr = expr
end

Instance Attribute Details

#exprObject Also known as: value

Returns the value of attribute expr



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# File 'lib/arel/nodes/unary.rb', line 4

def expr
  @expr
end

Instance Method Details

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean)


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# File 'lib/arel/nodes/unary.rb', line 16

def eql? other
  self.class == other.class &&
    self.expr == other.expr
end

#hashObject



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# File 'lib/arel/nodes/unary.rb', line 12

def hash
  @expr.hash
end