{"ast_node_type":"function","tokens":[{"end":76,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn new(tcx: TyCtxt<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> Self {
impl<'tcx> LayoutCx<'tcx> {
        Self { calc: abi::LayoutCalculator::new(tcx), typing_env }