syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":".map(|closure_min_captures|"}]}
source_snippet:             .map(|closure_min_captures| closure_min_captures.values().flat_map(|v| v.iter()))
context_before:             .get(&closure_def_id)
context_after:             .into_iter()