{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"#[inline]"}]}
    #[inline] // make this function eligible for inlining - it is quite hot.
impl<'tcx> From<ty::TyVid> for TyVidEqKey<'tcx> {
    fn from(vid: ty::TyVid) -> Self {