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diff --git a/stdlib/with-resources.tl b/stdlib/with-resources.tl
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+;; Copyright 2015-2021
+;; Kaz Kylheku <kaz@kylheku.com>
+;; Vancouver, Canada
+;; All rights reserved.
+;;
+;; Redistribution and use in source and binary forms, with or without
+;; modification, are permitted provided that the following conditions are met:
+;;
+;; 1. Redistributions of source code must retain the above copyright notice, this
+;;    list of conditions and the following disclaimer.
+;;
+;; 2. Redistributions in binary form must reproduce the above copyright notice,
+;;    this list of conditions and the following disclaimer in the documentation
+;;    and/or other materials provided with the distribution.
+;;
+;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+(defmacro with-resources (:form f res-bindings . body)
+  (tree-case res-bindings
+    (((sym init) . rest)
+     ^(let ((,sym ,init))
+        (with-resources ,rest ,*body)))
+    (((sym init . cleanup) . rest)
+     ^(let ((,sym ,init))
+        (when ,sym
+          (unwind-protect
+            (with-resources ,rest ,*body)
+            ,*cleanup))))
+    ((sym . rest)
+     ^(let (,sym)
+        (with-resources ,rest ,*body)))
+    (nil
+      ^(progn ,*body))
+    (other (compile-error f "bad syntax"))))
+
+(defmacro with-objects (var-init-forms . body)
+  (let ((gens (mapcar (ret (gensym)) var-init-forms)))
+    ^(let ,gens
+       (unwind-protect
+         (let* ,(mapcar (aret ^(,@2 (set ,@1 ,@3))) gens var-init-forms)
+           ,*body)
+         ,*(reverse (mapcar (ret ^(call-finalizers ,@1)) gens))))))