syntax_data: {"ast_node_type":"struct","tokens":[{"end":83,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // `remap` gives a mapping from local indices onto coroutine struct indices
context_before:         // Extract locals which are live across suspension point into `layout`
context_after:         // `storage_liveness` tells us which locals have live storage at suspension points