syntax_data: {"ast_node_type":"function","tokens":[{"end":73,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn new(always_live_locals: Cow<'a, DenseBitSet<Local>>) -> Self {
context_before: impl<'a> MaybeStorageLive<'a> {
context_after:         MaybeStorageLive { always_live_locals }