Trait rustc_trait_selection::traits::project::ProjectionCacheKeyExt

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

Required Methods

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

Implementors

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