Class: Squeel::Nodes::Unary

Inherits:

Object

• Object
• Squeel::Nodes::Unary

Includes:

PredicateOperators

Defined in:

lib/squeel/nodes/unary.rb

Overview

A node that contains a single expression.

Direct Known Subclasses

Not

Instance Attribute Summary

• #expr ⇒ Object readonly

  The expression contained in the node.

Instance Method Summary

• #eql?(other) ⇒ Boolean (also: #==)

  Object comparison.

• #initialize(expr) ⇒ Unary constructor

  Create a new Unary node.

Methods included from PredicateOperators

#&, #-@, #|

Constructor Details

#initialize(expr) ⇒ Unary

Create a new Unary node.

Parameters:

• expr —

  The expression to contain inside the node.

# File 'lib/squeel/nodes/unary.rb', line 15

def initialize(expr)
  @expr = expr
end

Instance Attribute Details

#expr ⇒ Object (readonly)

Returns The expression contained in the node.

Returns:

• The expression contained in the node

# File 'lib/squeel/nodes/unary.rb', line 11

def expr
  @expr
end

Instance Method Details

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

Object comparison

Returns:

• (Boolean)

# File 'lib/squeel/nodes/unary.rb', line 20

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