Module: Squeel::Nodes::PredicateOperators

Included in:

Hash, Binary, KeyPath, Nary, Predicate, Unary

Defined in:

lib/squeel/nodes/predicate_operators.rb

Overview

Operators that act as factories for Or, And, and Not nodes for inclusion in classes which can be contained inside these nodes.

Instance Method Summary

• #&(other) ⇒ And

  Create a new And node, with this node as its left-hand node.

• #-@ ⇒ Not

  Create a new Not node, with this node as its expression.

• #|(other) ⇒ Or

  Create a new Or node, with this node as its left-hand node.

Instance Method Details

#&(other) ⇒ And

Create a new And node, with this node as its left-hand node.

Parameters:

• other —

  The right-hand node for the And

Returns:

• (And) —

  The new And node

# File 'lib/squeel/nodes/predicate_operators.rb', line 17

def &(other)
  And.new([self, other])
end

#-@ ⇒ Not

Create a new Not node, with this node as its expression

Returns:

• (Not) —

  The new Not node

# File 'lib/squeel/nodes/predicate_operators.rb', line 23

def -@
  Not.new(self)
end

#|(other) ⇒ Or

Create a new Or node, with this node as its left-hand node.

Parameters:

• other —

  The right-hand node for the Or

Returns:

• (Or) —

  The new Or node

# File 'lib/squeel/nodes/predicate_operators.rb', line 10

def |(other)
  Or.new(self, other)
end