Class: Arel::Nodes::Unary

Inherits:

Node

• Object
• Node
• Arel::Nodes::Unary

Defined in:

lib/arel/nodes/unary.rb

Direct Known Subclasses

Ordering, UnqualifiedColumn, With

Instance Attribute Summary

• #expr ⇒ Object (also: #value)

  Returns the value of attribute expr.

Instance Method Summary

• #initialize(expr) ⇒ Unary constructor

  A new instance of Unary.

Methods inherited from Node

#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.

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

def initialize expr
  @expr = expr
end

Instance Attribute Details

#expr ⇒ Object Also known as: value

Returns the value of attribute expr.

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

def expr
  @expr
end