syntax_data: {"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:     match region.kind() {
context_before: pub fn shift_region<I: Interner>(cx: I, region: I::Region, amount: u32) -> I::Region {
context_after:         ty::ReBound(debruijn, br) if amount > 0 => {