Trait rustc_trait_selection::traits::project::ProjectionCacheKeyExt

pub(crate) trait ProjectionCacheKeyExt<'tcx>: Sized {
    fn from_poly_projection_predicate<'cx>(
        selcx: &mut SelectionContext<'cx, 'tcx>, 
        predicate: PolyProjectionPredicate<'tcx>
    ) -> Option<Self>;
}

Required methods

fn from_poly_projection_predicate<'cx>(
    selcx: &mut SelectionContext<'cx, 'tcx>,
    predicate: PolyProjectionPredicate<'tcx>
) -> Option<Self>

Implementors

impl<'tcx> ProjectionCacheKeyExt<'tcx> for ProjectionCacheKey<'tcx>