syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"#[diag(session_hexadecimal_float_literal_not_supported)]"}]}
source_snippet: #[diag(session_hexadecimal_float_literal_not_supported)]
context_before: #[derive(Diagnostic)]
context_after: struct HexadecimalFloatLiteralNotSupported {