Class: Locomotive::AstHelpers::PreOrderTraverse

Inherits:
TraverseStrategy show all
Defined in:
lib/locomotive/tree_helpers/ast_traversal.rb

Class Method Summary collapse

Class Method Details

.traverse(ast, &block) ⇒ Object 



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# File 'lib/locomotive/tree_helpers/ast_traversal.rb', line 12

def PreOrderTraverse.traverse(ast, &block)
  block.call(ast)
  traverse(ast.left_child,  &block) if ast.has_left_child?
  traverse(ast.right_child, &block) if ast.has_right_child?
  # return nothing
  return
end