syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"#[diag(mir_dataflow_requires_an_argument)]"}]}
source_snippet: #[diag(mir_dataflow_requires_an_argument)]
context_before: #[derive(Diagnostic)]
context_after: pub(crate) struct RequiresAnArgument {