crate fn collect_constraint(&mut self, fr: RegionVid, outlived_fr: RegionVid) {
        debug!("Collected {:?}: {:?}", fr, outlived_fr);

        // Add to set of constraints for final help note.
        self.constraints_to_add.entry(fr).or_insert(Vec::new()).push(outlived_fr);
    }
/// Add the outlives constraint `fr: outlived_fr` to the set of constraints we need to suggest.
Add the outlives constraint `fr: outlived_fr` to the set of constraints we need to suggest.
Add the outlives constraint ` fr : outlived_fr ` to the set of constraints we need to suggest .
crate fn collect_constraint(&mut self, fr: RegionVid, outlived_fr: RegionVid) {
        debug!("Collected {:?}: {:?}", fr, outlived_fr);
        // Add to set of constraints for final help note.
        self.constraints_to_add.entry(fr).or_insert(Vec::new()).push(outlived_fr);
    }
crate fn collect_constraint ( & mut self , fr : RegionVid , outlived_fr : RegionVid ) { debug ! ( " " fr outlived_fr ) ; // Add to set of constraints for final help note. self . constraints_to_add . entry ( fr ) . or_insert ( Vec :: new ( ) ) . push ( outlived_fr ) ; }
Add the outlives constraint `fr: outlived_fr` to the set of constraints we need to suggest.
Add the outlives constraint ` fr : outlived_fr ` to the set of constraints we need to suggest .
&mut self
fr
RegionVid
outlived_fr
RegionVid