Trait rustc_mir::borrow_check::constraints::graph::ConstraintGraphDirecton

pub(crate) trait ConstraintGraphDirecton: Copy + 'static {
    fn start_region(c: &OutlivesConstraint) -> RegionVid;
    fn end_region(c: &OutlivesConstraint) -> RegionVid;
    fn is_normal() -> bool;
}

Marker trait that controls whether a R1: R2 constraint represents an edge R1 -> R2 or R2 -> R1.

Required methods

fn start_region(c: &OutlivesConstraint) -> RegionVid

fn end_region(c: &OutlivesConstraint) -> RegionVid

fn is_normal() -> bool

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Implementors

impl ConstraintGraphDirecton for Normal

fn start_region(c: &OutlivesConstraint) -> RegionVid

fn end_region(c: &OutlivesConstraint) -> RegionVid

fn is_normal() -> bool

impl ConstraintGraphDirecton for Reverse

fn start_region(c: &OutlivesConstraint) -> RegionVid

fn end_region(c: &OutlivesConstraint) -> RegionVid

fn is_normal() -> bool

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