Class: Arity2Operators

Inherits:

Operator

• Object
• Operator
• Arity2Operators

Defined in:

lib/lamep/Expressions/arity2_operators.rb

Direct Known Subclasses

And, Equal, GreaterThan, GreaterThanEqual, LessThan, LessThanEqual, NotEqual, Or

Constant Summary

ARITY =

2

Constants inherited from Operator

Operator::OPERATORS

Instance Attribute Summary

• #left ⇒ Object readonly

  Returns the value of attribute left.

• #right ⇒ Object readonly

  Returns the value of attribute right.

Instance Method Summary

• #==(other) ⇒ Object (also: #equal?)
• #initialize(left, right) ⇒ Arity2Operators constructor

  A new instance of Arity2Operators.

Methods inherited from Operator

exists?, factory!, operator, precedence!, register, #to_sql

Constructor Details

#initialize(left, right) ⇒ Arity2Operators

Returns a new instance of Arity2Operators.

# File 'lib/lamep/Expressions/arity2_operators.rb', line 6

def initialize(left, right)
  @left = (left.is_a?(Operator)) ? left : ValueExpression.new(left)
  @right = (right.is_a?(Operator)) ? right : ValueExpression.new(right)
end

Instance Attribute Details

#left ⇒ Object (readonly)

Returns the value of attribute left.

# File 'lib/lamep/Expressions/arity2_operators.rb', line 3

def left
  @left
end

#right ⇒ Object (readonly)

Returns the value of attribute right.

# File 'lib/lamep/Expressions/arity2_operators.rb', line 3

def right
  @right
end

Instance Method Details

#==(other) ⇒ Object Also known as: equal?

# File 'lib/lamep/Expressions/arity2_operators.rb', line 11

def ==(other)
  other.class == self.class && other.left == @left && other.right == @right
end