{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"expr_from_text(&format!(\"for"}]}
    expr_from_text(&format!("for {pat} in {expr} {block}"))
pub fn expr_for_loop(pat: ast::Pat, expr: ast::Expr, block: ast::BlockExpr) -> ast::Expr {
}