syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"variant.iter().map(move"}]}
source_snippet:             variant.iter().map(move |field| {
context_before:         layout.variant_fields.iter().map(move |variant| {
context_after:                 if tcx.is_async_drop_in_place_coroutine(def_id) {