syntax_data: {"ast_node_type":"struct","tokens":[{"end":79,"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