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authorKartik Agaram <vc@akkartik.com>2018-07-27 17:07:52 -0700
committerKartik Agaram <vc@akkartik.com>2018-07-27 17:08:29 -0700
commit5fe060d582d4a82444243a28b18085c971a85628 (patch)
tree7a13eb020d0a9cab5d4195da931a373f575229ab /html/064list.mu.html
parent013d95266d563a3f531c13eba6d2a6bfe18f8808 (diff)
downloadmu-5fe060d582d4a82444243a28b18085c971a85628.tar.gz
4447
Diffstat (limited to 'html/064list.mu.html')
-rw-r--r--html/064list.mu.html56
1 files changed, 28 insertions, 28 deletions
diff --git a/html/064list.mu.html b/html/064list.mu.html
index 2ce82c35..7a8b3c55 100644
--- a/html/064list.mu.html
+++ b/html/064list.mu.html
@@ -15,8 +15,8 @@ body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color
 a { color:#eeeeee; text-decoration: none; }
 a:hover { text-decoration: underline; }
 * { font-size: 12pt; font-size: 1em; }
+.muData { color: #ffff00; }
 .muRecipe { color: #ff8700; }
-.muScenario { color: #00af00; }
 .Special { color: #c00000; }
 .Delimiter { color: #800080; }
 .Comment { color: #9090ff; }
@@ -24,7 +24,7 @@ a:hover { text-decoration: underline; }
 .Constant { color: #00a0a0; }
 .LineNr { color: #444444; }
 .muControl { color: #c0a020; }
-.muData { color: #ffff00; }
+.muScenario { color: #00af00; }
 -->
 </style>
 
@@ -66,7 +66,7 @@ if ('onhashchange' in window) {
 <span id="L5" class="LineNr">  5 </span>
 <span id="L6" class="LineNr">  6 </span><span class="muData">container</span> <a href='064list.mu.html#L6'>list</a>:_elem [
 <span id="L7" class="LineNr">  7 </span>  value:_elem
-<span id="L8" class="LineNr">  8 </span>  <a href='065duplex_list.mu.html#L25'>next</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem
+<span id="L8" class="LineNr">  8 </span>  <a href='065duplex_list.mu.html#L31'>next</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem
 <span id="L9" class="LineNr">  9 </span>]
 <span id="L10" class="LineNr"> 10 </span>
 <span id="L11" class="LineNr"> 11 </span><span class="muRecipe">def</span> push x:_elem, l:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem<span class="muRecipe"> -&gt; </span>result:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem/contained-in:l [
@@ -85,13 +85,13 @@ if ('onhashchange' in window) {
 <span id="L24" class="LineNr"> 24 </span><span class="muRecipe">def</span> <a href='064list.mu.html#L24'>rest</a> in:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem<span class="muRecipe"> -&gt; </span>result:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem/contained-in:in [
 <span id="L25" class="LineNr"> 25 </span>  <span class="Constant">local-scope</span>
 <span id="L26" class="LineNr"> 26 </span>  <span class="Constant">load-inputs</span>
-<span id="L27" class="LineNr"> 27 </span>  result <span class="Special">&lt;-</span> get *in, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>
+<span id="L27" class="LineNr"> 27 </span>  result <span class="Special">&lt;-</span> get *in, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>
 <span id="L28" class="LineNr"> 28 </span>]
 <span id="L29" class="LineNr"> 29 </span>
 <span id="L30" class="LineNr"> 30 </span><span class="muScenario">scenario</span> list-handling [
 <span id="L31" class="LineNr"> 31 </span>  run [
 <span id="L32" class="LineNr"> 32 </span>    <span class="Constant">local-scope</span>
-<span id="L33" class="LineNr"> 33 </span>    x:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L33" class="LineNr"> 33 </span>    x:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L34" class="LineNr"> 34 </span>    x <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, x
 <span id="L35" class="LineNr"> 35 </span>    x <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, x
 <span id="L36" class="LineNr"> 36 </span>    10:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> first x
@@ -127,14 +127,14 @@ if ('onhashchange' in window) {
 <span id="L66" class="LineNr"> 66 </span>  <span class="Constant">load-inputs</span>
 <span id="L67" class="LineNr"> 67 </span>  new-node:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> new <span class="Delimiter">{</span>(list _elem): type<span class="Delimiter">}</span>
 <span id="L68" class="LineNr"> 68 </span>  *new-node <span class="Special">&lt;-</span> put *new-node, <span class="Constant">value:offset</span>, x
-<span id="L69" class="LineNr"> 69 </span>  next-node:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> get *in, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>
-<span id="L70" class="LineNr"> 70 </span>  *in <span class="Special">&lt;-</span> put *in, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>, new-node
-<span id="L71" class="LineNr"> 71 </span>  *new-node <span class="Special">&lt;-</span> put *new-node, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>, next-node
+<span id="L69" class="LineNr"> 69 </span>  next-node:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> get *in, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>
+<span id="L70" class="LineNr"> 70 </span>  *in <span class="Special">&lt;-</span> put *in, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>, new-node
+<span id="L71" class="LineNr"> 71 </span>  *new-node <span class="Special">&lt;-</span> put *new-node, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>, next-node
 <span id="L72" class="LineNr"> 72 </span>]
 <span id="L73" class="LineNr"> 73 </span>
 <span id="L74" class="LineNr"> 74 </span><span class="muScenario">scenario</span> inserting-into-list [
 <span id="L75" class="LineNr"> 75 </span>  <span class="Constant">local-scope</span>
-<span id="L76" class="LineNr"> 76 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L76" class="LineNr"> 76 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L77" class="LineNr"> 77 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L78" class="LineNr"> 78 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L79" class="LineNr"> 79 </span>  run [
@@ -160,7 +160,7 @@ if ('onhashchange' in window) {
 <span id="L99" class="LineNr"> 99 </span>
 <span id="L100" class="LineNr">100 </span><span class="muScenario">scenario</span> inserting-at-end-of-list [
 <span id="L101" class="LineNr">101 </span>  <span class="Constant">local-scope</span>
-<span id="L102" class="LineNr">102 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L102" class="LineNr">102 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L103" class="LineNr">103 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L104" class="LineNr">104 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L105" class="LineNr">105 </span>  run [
@@ -187,7 +187,7 @@ if ('onhashchange' in window) {
 <span id="L126" class="LineNr">126 </span>
 <span id="L127" class="LineNr">127 </span><span class="muScenario">scenario</span> inserting-after-start-of-list [
 <span id="L128" class="LineNr">128 </span>  <span class="Constant">local-scope</span>
-<span id="L129" class="LineNr">129 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L129" class="LineNr">129 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L130" class="LineNr">130 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L131" class="LineNr">131 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L132" class="LineNr">132 </span>  run [
@@ -221,7 +221,7 @@ if ('onhashchange' in window) {
 <span id="L160" class="LineNr">160 </span>  <span class="muControl">return-unless</span> x
 <span id="L161" class="LineNr">161 </span>  next-node:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> x
 <span id="L162" class="LineNr">162 </span>  <span class="Comment"># clear next pointer of 'x'</span>
-<span id="L163" class="LineNr">163 </span>  *x <span class="Special">&lt;-</span> put *x, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>,<span class="Constant"> 0</span>
+<span id="L163" class="LineNr">163 </span>  *x <span class="Special">&lt;-</span> put *x, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>,<span class="Constant"> null</span>
 <span id="L164" class="LineNr">164 </span>  <span class="Comment"># if 'x' is at the head of 'in', return the new head</span>
 <span id="L165" class="LineNr">165 </span>  at-head?:bool <span class="Special">&lt;-</span> equal x, in
 <span id="L166" class="LineNr">166 </span>  <span class="muControl">return-if</span> at-head?, next-node
@@ -236,18 +236,18 @@ if ('onhashchange' in window) {
 <span id="L175" class="LineNr">175 </span>    curr <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> curr
 <span id="L176" class="LineNr">176 </span>  <span class="Delimiter">}</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Comment"># set its next pointer to skip 'x'</span>
-<span id="L178" class="LineNr">178 </span>  *prev-node <span class="Special">&lt;-</span> put *prev-node, <span class="Constant"><a href='065duplex_list.mu.html#L25'>next</a>:offset</span>, next-node
+<span id="L178" class="LineNr">178 </span>  *prev-node <span class="Special">&lt;-</span> put *prev-node, <span class="Constant"><a href='065duplex_list.mu.html#L31'>next</a>:offset</span>, next-node
 <span id="L179" class="LineNr">179 </span>]
 <span id="L180" class="LineNr">180 </span>
 <span id="L181" class="LineNr">181 </span><span class="muScenario">scenario</span> removing-from-list [
 <span id="L182" class="LineNr">182 </span>  <span class="Constant">local-scope</span>
-<span id="L183" class="LineNr">183 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L183" class="LineNr">183 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L184" class="LineNr">184 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L185" class="LineNr">185 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L186" class="LineNr">186 </span>  run [
 <span id="L187" class="LineNr">187 </span>    list2:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> <a href='064list.mu.html#L6'>list</a>  <span class="Comment"># second element</span>
 <span id="L188" class="LineNr">188 </span>    <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> remove list2, <a href='064list.mu.html#L6'>list</a>
-<span id="L189" class="LineNr">189 </span>    10:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> equal list2,<span class="Constant"> 0</span>
+<span id="L189" class="LineNr">189 </span>    10:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> equal list2,<span class="Constant"> null</span>
 <span id="L190" class="LineNr">190 </span>    <span class="Comment"># check structure like before</span>
 <span id="L191" class="LineNr">191 </span>    list2 <span class="Special">&lt;-</span> copy <a href='064list.mu.html#L6'>list</a>
 <span id="L192" class="LineNr">192 </span>    11:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> first list2
@@ -265,7 +265,7 @@ if ('onhashchange' in window) {
 <span id="L204" class="LineNr">204 </span>
 <span id="L205" class="LineNr">205 </span><span class="muScenario">scenario</span> removing-from-start-of-list [
 <span id="L206" class="LineNr">206 </span>  <span class="Constant">local-scope</span>
-<span id="L207" class="LineNr">207 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L207" class="LineNr">207 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L208" class="LineNr">208 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L209" class="LineNr">209 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L210" class="LineNr">210 </span>  run [
@@ -286,7 +286,7 @@ if ('onhashchange' in window) {
 <span id="L225" class="LineNr">225 </span>
 <span id="L226" class="LineNr">226 </span><span class="muScenario">scenario</span> removing-from-end-of-list [
 <span id="L227" class="LineNr">227 </span>  <span class="Constant">local-scope</span>
-<span id="L228" class="LineNr">228 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L228" class="LineNr">228 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L229" class="LineNr">229 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 4</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L230" class="LineNr">230 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 5</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L231" class="LineNr">231 </span>  run [
@@ -294,7 +294,7 @@ if ('onhashchange' in window) {
 <span id="L233" class="LineNr">233 </span>    list2:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> <a href='064list.mu.html#L6'>list</a>
 <span id="L234" class="LineNr">234 </span>    list2 <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> list2
 <span id="L235" class="LineNr">235 </span>    <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> remove list2, <a href='064list.mu.html#L6'>list</a>
-<span id="L236" class="LineNr">236 </span>    10:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> equal list2,<span class="Constant"> 0</span>
+<span id="L236" class="LineNr">236 </span>    10:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> equal list2,<span class="Constant"> null</span>
 <span id="L237" class="LineNr">237 </span>    <span class="Comment"># check structure like before</span>
 <span id="L238" class="LineNr">238 </span>    list2 <span class="Special">&lt;-</span> copy <a href='064list.mu.html#L6'>list</a>
 <span id="L239" class="LineNr">239 </span>    11:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> first list2
@@ -312,10 +312,10 @@ if ('onhashchange' in window) {
 <span id="L251" class="LineNr">251 </span>
 <span id="L252" class="LineNr">252 </span><span class="muScenario">scenario</span> removing-from-singleton-list [
 <span id="L253" class="LineNr">253 </span>  <span class="Constant">local-scope</span>
-<span id="L254" class="LineNr">254 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> 0</span>
+<span id="L254" class="LineNr">254 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>,<span class="Constant"> null</span>
 <span id="L255" class="LineNr">255 </span>  run [
 <span id="L256" class="LineNr">256 </span>    <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> remove <a href='064list.mu.html#L6'>list</a>, <a href='064list.mu.html#L6'>list</a>
-<span id="L257" class="LineNr">257 </span>    1:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> copy <a href='064list.mu.html#L6'>list</a>
+<span id="L257" class="LineNr">257 </span>    1:num/<span class="Special">raw</span> <span class="Special">&lt;-</span> deaddress <a href='064list.mu.html#L6'>list</a>
 <span id="L258" class="LineNr">258 </span>  ]
 <span id="L259" class="LineNr">259 </span>  memory-should-contain [
 <span id="L260" class="LineNr">260 </span>   <span class="Constant"> 1</span> <span class="Special">&lt;-</span><span class="Constant"> 0</span>  <span class="Comment"># back to an empty list</span>
@@ -336,7 +336,7 @@ if ('onhashchange' in window) {
 <span id="L275" class="LineNr">275 </span>
 <span id="L276" class="LineNr">276 </span><span class="muScenario">scenario</span> reverse-list [
 <span id="L277" class="LineNr">277 </span>  <span class="Constant">local-scope</span>
-<span id="L278" class="LineNr">278 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 1</span>,<span class="Constant"> 0</span>
+<span id="L278" class="LineNr">278 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 1</span>,<span class="Constant"> null</span>
 <span id="L279" class="LineNr">279 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 2</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L280" class="LineNr">280 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L281" class="LineNr">281 </span>  run [
@@ -352,7 +352,7 @@ if ('onhashchange' in window) {
 <span id="L291" class="LineNr">291 </span>
 <span id="L292" class="LineNr">292 </span><span class="muScenario">scenario</span> stash-list [
 <span id="L293" class="LineNr">293 </span>  <span class="Constant">local-scope</span>
-<span id="L294" class="LineNr">294 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 1</span>,<span class="Constant"> 0</span>
+<span id="L294" class="LineNr">294 </span>  <a href='064list.mu.html#L6'>list</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> push<span class="Constant"> 1</span>,<span class="Constant"> null</span>
 <span id="L295" class="LineNr">295 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 2</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L296" class="LineNr">296 </span>  <a href='064list.mu.html#L6'>list</a> <span class="Special">&lt;-</span> push<span class="Constant"> 3</span>, <a href='064list.mu.html#L6'>list</a>
 <span id="L297" class="LineNr">297 </span>  run [
@@ -392,23 +392,23 @@ if ('onhashchange' in window) {
 <span id="L331" class="LineNr">331 </span>  val:_elem <span class="Special">&lt;-</span> get *in, <span class="Constant">value:offset</span>
 <span id="L332" class="LineNr">332 </span>  buf <span class="Special">&lt;-</span> append buf, val
 <span id="L333" class="LineNr">333 </span>  <span class="Comment"># now prepare next</span>
-<span id="L334" class="LineNr">334 </span>  <a href='065duplex_list.mu.html#L25'>next</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> in
-<span id="L335" class="LineNr">335 </span>  nextn:num <span class="Special">&lt;-</span> copy <a href='065duplex_list.mu.html#L25'>next</a>
-<span id="L336" class="LineNr">336 </span>  <span class="muControl">return-unless</span> <a href='065duplex_list.mu.html#L25'>next</a>
+<span id="L334" class="LineNr">334 </span>  <a href='065duplex_list.mu.html#L31'>next</a>:&amp;:<a href='064list.mu.html#L6'>list</a>:_elem <span class="Special">&lt;-</span> <a href='064list.mu.html#L24'>rest</a> in
+<span id="L335" class="LineNr">335 </span>  nextn:num <span class="Special">&lt;-</span> deaddress <a href='065duplex_list.mu.html#L31'>next</a>
+<span id="L336" class="LineNr">336 </span>  <span class="muControl">return-unless</span> <a href='065duplex_list.mu.html#L31'>next</a>
 <span id="L337" class="LineNr">337 </span>  buf <span class="Special">&lt;-</span> append buf, <span class="Constant">[ -&gt; ]</span>
 <span id="L338" class="LineNr">338 </span>  <span class="Comment"># and recurse</span>
 <span id="L339" class="LineNr">339 </span>  remaining:num, optional-input-found?:bool <span class="Special">&lt;-</span> <span class="Constant">next-input</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Delimiter">{</span>
 <span id="L341" class="LineNr">341 </span>    <span class="muControl">break-if</span> optional-input-found?
 <span id="L342" class="LineNr">342 </span>    <span class="Comment"># unlimited recursion</span>
-<span id="L343" class="LineNr">343 </span>    buf <span class="Special">&lt;-</span> to-buffer <a href='065duplex_list.mu.html#L25'>next</a>, buf
+<span id="L343" class="LineNr">343 </span>    buf <span class="Special">&lt;-</span> to-buffer <a href='065duplex_list.mu.html#L31'>next</a>, buf
 <span id="L344" class="LineNr">344 </span>   <span class="muControl"> return</span>
 <span id="L345" class="LineNr">345 </span>  <span class="Delimiter">}</span>
 <span id="L346" class="LineNr">346 </span>  <span class="Delimiter">{</span>
 <span id="L347" class="LineNr">347 </span>    <span class="muControl">break-unless</span> remaining
 <span id="L348" class="LineNr">348 </span>    <span class="Comment"># limited recursion</span>
 <span id="L349" class="LineNr">349 </span>    remaining <span class="Special">&lt;-</span> subtract remaining,<span class="Constant"> 1</span>
-<span id="L350" class="LineNr">350 </span>    buf <span class="Special">&lt;-</span> to-buffer <a href='065duplex_list.mu.html#L25'>next</a>, buf, remaining
+<span id="L350" class="LineNr">350 </span>    buf <span class="Special">&lt;-</span> to-buffer <a href='065duplex_list.mu.html#L31'>next</a>, buf, remaining
 <span id="L351" class="LineNr">351 </span>   <span class="muControl"> return</span>
 <span id="L352" class="LineNr">352 </span>  <span class="Delimiter">}</span>
 <span id="L353" class="LineNr">353 </span>  <span class="Comment"># past recursion depth; insert ellipses and stop</span>
@@ -417,7 +417,7 @@ if ('onhashchange' in window) {
 <span id="L356" class="LineNr">356 </span>
 <span id="L357" class="LineNr">357 </span><span class="muScenario">scenario</span> stash-empty-list [
 <span id="L358" class="LineNr">358 </span>  <span class="Constant">local-scope</span>
-<span id="L359" class="LineNr">359 </span>  x:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
+<span id="L359" class="LineNr">359 </span>  x:&amp;:<a href='064list.mu.html#L6'>list</a>:num <span class="Special">&lt;-</span> copy<span class="Constant"> null</span>
 <span id="L360" class="LineNr">360 </span>  run [
 <span id="L361" class="LineNr">361 </span>    stash x
 <span id="L362" class="LineNr">362 </span>  ]