Class: Squeel::Nodes::Operation

Inherits:

Function

• Object
• Node
• Function
• Squeel::Nodes::Operation

Defined in:

lib/squeel/nodes/operation.rb

Overview

An Operation is basically a function with its operands limited, and rearranged, so Squeel implements it as such.

Instance Attribute Summary

Attributes inherited from Function

#args, #function_name

Instance Method Summary

• #initialize(left, operator, right) ⇒ Operation constructor

  Create a new Operation with the given operator and left and right operands.

• #left ⇒ Object

  The left operand.

• #right ⇒ Object

  The right operand.

Methods inherited from Function

#eql?, #hash, #to_sym

Methods included from Aliasing

#as

Methods included from Ordering

#asc, #desc

Methods included from Operators

#*, #+, #-, #/, #op

Methods included from PredicateOperators

#&, #-@, #|

Methods included from PredicateMethods

#eq

Constructor Details

#initialize(left, operator, right) ⇒ Operation

Create a new Operation with the given operator and left and right operands

Parameters:

• left —

  The left operand

• operator (String, Symbol) —

  The operator

• right —

  The right operand

# File 'lib/squeel/nodes/operation.rb', line 13

def initialize(left, operator, right)
  super(operator, [left, right])
end

Instance Method Details

#left ⇒ Object

Returns The left operand.

Returns:

• The left operand

# File 'lib/squeel/nodes/operation.rb', line 21

def left
  args[0]
end

#right ⇒ Object

Returns The right operand.

Returns:

• The right operand

# File 'lib/squeel/nodes/operation.rb', line 26

def right
  args[1]
end