}
fn expansion(&self, var_values: &mut LexicalRegionResolutions<'tcx>) {
- self.iterate_until_fixed_point("Expansion", |constraint, origin| {
- debug!("expansion: constraint={:?} origin={:?}", constraint, origin);
+ self.iterate_until_fixed_point("Expansion", |constraint| {
+ debug!("expansion: constraint={:?}", constraint);
match *constraint {
Constraint::RegSubVar(a_region, b_vid) => {
let b_data = var_values.value_mut(b_vid);
}
fn iterate_until_fixed_point<F>(&self, tag: &str, mut body: F)
- where
- F: FnMut(&Constraint<'tcx>, &SubregionOrigin<'tcx>) -> (bool, bool),
+ where F: FnMut(&Constraint<'tcx>) -> (bool, bool),
{
- let mut constraints: SmallVec<[_; 16]> = self.data.constraints.iter().collect();
+ let mut constraints: SmallVec<[_; 16]> = self.data.constraints.keys().collect();
let mut iteration = 0;
let mut changed = true;
while changed {
changed = false;
iteration += 1;
debug!("---- {} Iteration {}{}", "#", tag, iteration);
- constraints.retain(|(constraint, origin)| {
- let (edge_changed, retain) = body(constraint, origin);
+ constraints.retain(|constraint| {
+ let (edge_changed, retain) = body(constraint);
if edge_changed {
debug!("Updated due to constraint {:?}", constraint);
changed = true;