{"ast_node_type":"variable","tokens":[{"end":36,"kind":"keyword","start":0,"text":"let"}]}
            let itctx = match kind {
        let inputs = self.arena.alloc_from_iter(inputs.iter().map(|param| {
                FnDeclKind::Fn | FnDeclKind::Inherent | FnDeclKind::Impl | FnDeclKind::Trait => {