Class: Squeel::Nodes::Node

Inherits:

Object

• Object
• Squeel::Nodes::Node

Includes:

Polyamorous::TreeNode

Defined in:

lib/squeel/nodes/node.rb

Direct Known Subclasses

Binary, Function, Join, KeyPath, Literal, Nary, Order, Predicate, Sifter, Stub, SubqueryJoin, Unary

Instance Method Summary

• #each(&block) ⇒ Object
• #grep(object, &block) ⇒ Object

  We don’t want the full Enumerable method list, because it will mess with stuff like KeyPath.

Instance Method Details

#each(&block) ⇒ Object

# File 'lib/squeel/nodes/node.rb', line 8

def each(&block)
  return enum_for(:each) unless block_given?

  Visitors::EnumerationVisitor.new(block).accept(self)
end

#grep(object, &block) ⇒ Object

We don’t want the full Enumerable method list, because it will mess with stuff like KeyPath

# File 'lib/squeel/nodes/node.rb', line 16

def grep(object, &block)
  if block_given?
    each { |value| yield value if object === value }
  else
    [].tap do |results|
      each { |value| results << value if object === value }
    end
  end
end