110     fn constrain(&mut self, node: Self::Node) -> ConstrainResult;  in constrain()  argument
124 pub enum ConstrainResult {  enum
133 impl Default for ConstrainResult {  implementation
135         ConstrainResult::Same  in default()
139 impl ops::BitOr for ConstrainResult {  implementation
142     fn bitor(self, rhs: ConstrainResult) -> Self::Output {  in bitor()
143         if self == ConstrainResult::Changed || rhs == ConstrainResult::Changed {  in bitor()
144             ConstrainResult::Changed  in bitor()
146             ConstrainResult::Same  in bitor()
151 impl ops::BitOrAssign for ConstrainResult {  implementation
152     fn bitor_assign(&mut self, rhs: ConstrainResult) {  in bitor_assign()  argument
166         if let ConstrainResult::Changed = analysis.constrain(node) {  in analyze()
318         fn constrain(&mut self, node: Node) -> ConstrainResult {  in constrain()  argument
350                 ConstrainResult::Changed  in constrain()
352                 ConstrainResult::Same  in constrain()