syntax_data: {"ast_node_type":"function","tokens":[{"end":40,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn new(cx: I, amount: u32) -> Self {
context_before: impl<I: Interner> Shifter<I> {
context_after:         Shifter { cx, current_index: ty::INNERMOST, amount }