{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
    let nominal = ctx.find_node_at_offset::<ast::Adt>()?;
pub(crate) fn generate_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
    let name = nominal.name()?;