syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Tracks if we encountered an error while checking this body. That the first function to
context_before:     dropless_arena: &'p DroplessArena,
context_after:     /// report it stores it here. Some functions return `Result` to allow callers to short-circuit