Foo ||= bar
becomes
defined?(Foo) ? Foo : Foo = bar
Dispatch enter and leave events for AliasGlobalVariableNode nodes and continue walking the tree.
Dispatch enter and leave events for BlockLocalVariableNode nodes and continue walking the tree.
Dispatch enter and leave events for CallAndWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for CallOperatorWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for CallOrWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for ClassVariableReadNode nodes and continue walking the tree.
Dispatch enter and leave events for ClassVariableTargetNode nodes and continue walking the tree.
Dispatch enter and leave events for ConstantAndWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for ConstantOperatorWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for ConstantOrWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for ConstantPathWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for GlobalVariableReadNode nodes and continue walking the tree.
Dispatch enter and leave events for GlobalVariableTargetNode nodes and continue walking the tree.
Dispatch enter and leave events for IndexAndWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for IndexOperatorWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for IndexOrWriteNode nodes and continue walking the tree.
Dispatch enter and leave events for InstanceVariableReadNode nodes and continue walking the tree.
Dispatch enter and leave events for InstanceVariableTargetNode nodes and continue walking the tree.
Dispatch enter and leave events for LocalVariableReadNode nodes and continue walking the tree.