{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"#[diag(parse_unexpected_vert_vert_before_function_parameter)]"}]}
#[diag(parse_unexpected_vert_vert_before_function_parameter)]
#[derive(Diagnostic)]
#[note(parse_note_pattern_alternatives_use_single_vert)]