Sets the (user) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1
for any value means to leave that ID unchanged. Not available on all platforms.
Sets the (group) real, effective, and saved user IDs of the current process to rid, eid, and sid respectively. A value of -1
for any value means to leave that ID unchanged. Not available on all platforms.
Compile a ConstantOrWriteNode
node
Foo ||= bar
becomes
defined?(Foo) ? Foo : Foo = bar
Dispatch enter and leave events for ClassVariableWriteNode
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 GlobalVariableWriteNode
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 LocalVariableWriteNode
nodes and continue walking the tree.