Type Alias BoundRegionKind 

pub type BoundRegionKind<'tcx> = BoundRegionKind<TyCtxt<'tcx>>;

Aliased Type

pub enum BoundRegionKind<'tcx> {
    Anon,
    NamedForPrinting(Symbol),
    Named(DefId),
    ClosureEnv,
}

Variants

Anon

An anonymous region parameter for a given fn (&T)

NamedForPrinting(Symbol)

An anonymous region parameter with a Symbol name.

Used to give late-bound regions names for things like pretty printing.

Named(DefId)

Late-bound regions that appear in the AST.

ClosureEnv

Anonymous region for the implicit env pointer parameter to a closure

Layout

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.