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authorKartik Agaram <vc@akkartik.com>2018-05-12 10:22:26 -0700
committerKartik Agaram <vc@akkartik.com>2018-05-12 10:22:26 -0700
commitcdf2822743b3beeb37ebc3deea8e08b6130698c5 (patch)
treeb7946314d79e8df95eb16703b65832e20f7ee620 /html/chessboard.mu.html
parentbd222553d7bc7d91d3eebae5639b01f58c8f7c75 (diff)
downloadmu-cdf2822743b3beeb37ebc3deea8e08b6130698c5.tar.gz
4242 - get rid of refcounts entirely
We're going to lean back into the experiment of commit 4179 back in Jan.
If we delete memory it's up to us to ensure no pointers into it survive.

Since deep-copy depends on our refcounting infrastructure, it's gone as
well. So we're going to have to start watching out for pointers shared
over channels.
Diffstat (limited to 'html/chessboard.mu.html')
-rw-r--r--html/chessboard.mu.html60
1 files changed, 30 insertions, 30 deletions
diff --git a/html/chessboard.mu.html b/html/chessboard.mu.html
index 1d479289..2efbb576 100644
--- a/html/chessboard.mu.html
+++ b/html/chessboard.mu.html
@@ -134,11 +134,11 @@ if ('onhashchange' in window) {
 <span id="L71" class="LineNr"> 71 </span>  <span class="Constant">load-inputs</span>
 <span id="L72" class="LineNr"> 72 </span>  <a href='chessboard.mu.html#L67'>board</a>:<a href='chessboard.mu.html#L67'>board</a> <span class="Special">&lt;-</span> <a href='chessboard.mu.html#L190'>initial-position</a>
 <span id="L73" class="LineNr"> 73 </span>  <span class="Comment"># hook up stdin</span>
-<span id="L74" class="LineNr"> 74 </span>  stdin-in:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, stdin-out:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span>
+<span id="L74" class="LineNr"> 74 </span>  stdin-in:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, stdin-out:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">10/capacity</span>
 <span id="L75" class="LineNr"> 75 </span>  <span class="muControl">start-running</span> <a href='084console.mu.html#L73'>send-keys-to-channel</a>, <a href='084console.mu.html#L23'>console</a>, stdin-out, <a href='081print.mu.html#L16'>screen</a>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Comment"># buffer lines in stdin</span>
-<span id="L77" class="LineNr"> 77 </span>  buffered-stdin-in:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, buffered-stdin-out:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">10/capacity</span>
-<span id="L78" class="LineNr"> 78 </span>  <span class="muControl">start-running</span> <a href='075channel.mu.html#L408'>buffer-lines</a>, stdin-in, buffered-stdin-out
+<span id="L77" class="LineNr"> 77 </span>  buffered-stdin-in:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, buffered-stdin-out:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">10/capacity</span>
+<span id="L78" class="LineNr"> 78 </span>  <span class="muControl">start-running</span> <a href='075channel.mu.html#L400'>buffer-lines</a>, stdin-in, buffered-stdin-out
 <span id="L79" class="LineNr"> 79 </span>  <span class="Delimiter">{</span>
 <span id="L80" class="LineNr"> 80 </span>    print <a href='081print.mu.html#L16'>screen</a>, <span class="Constant">[Stupid text-mode chessboard. White pieces in uppercase; black pieces in lowercase. No checking for legal moves.</span>
 <span id="L81" class="LineNr"> 81 </span><span class="Constant">]</span>
@@ -155,7 +155,7 @@ if ('onhashchange' in window) {
 <span id="L92" class="LineNr"> 92 </span>      <a href='081print.mu.html#L16'>screen</a> <span class="Special">&lt;-</span> print <a href='081print.mu.html#L16'>screen</a>, <span class="Constant">[move: ]</span>
 <span id="L93" class="LineNr"> 93 </span>      m:&amp;:<a href='chessboard.mu.html#L239'>move</a>, quit:bool, error:bool <span class="Special">&lt;-</span> <a href='chessboard.mu.html#L248'>read-move</a> buffered-stdin-in, <a href='081print.mu.html#L16'>screen</a>
 <span id="L94" class="LineNr"> 94 </span>      <span class="muControl">break-if</span> quit, <span class="Constant">+quit</span>
-<span id="L95" class="LineNr"> 95 </span>      buffered-stdin-in <span class="Special">&lt;-</span> <a href='075channel.mu.html#L312'>clear</a> buffered-stdin-in  <span class="Comment"># cleanup after error. todo: test this?</span>
+<span id="L95" class="LineNr"> 95 </span>      buffered-stdin-in <span class="Special">&lt;-</span> <a href='075channel.mu.html#L304'>clear</a> buffered-stdin-in  <span class="Comment"># cleanup after error. todo: test this?</span>
 <span id="L96" class="LineNr"> 96 </span>      <span class="muControl">loop-if</span> error
 <span id="L97" class="LineNr"> 97 </span>    <span class="Delimiter">}</span>
 <span id="L98" class="LineNr"> 98 </span>    <a href='chessboard.mu.html#L67'>board</a> <span class="Special">&lt;-</span> <a href='chessboard.mu.html#L534'>make-move</a> <a href='chessboard.mu.html#L67'>board</a>, m
@@ -308,7 +308,7 @@ if ('onhashchange' in window) {
 <span id="L245" class="LineNr">245 </span>]
 <span id="L246" class="LineNr">246 </span>
 <span id="L247" class="LineNr">247 </span><span class="Comment"># prints only error messages to screen</span>
-<span id="L248" class="LineNr">248 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L248'>read-move</a> stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>result:&amp;:<a href='chessboard.mu.html#L239'>move</a>, quit?:bool, error?:bool, stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
+<span id="L248" class="LineNr">248 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L248'>read-move</a> stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>result:&amp;:<a href='chessboard.mu.html#L239'>move</a>, quit?:bool, error?:bool, stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
 <span id="L249" class="LineNr">249 </span>  <span class="Constant">local-scope</span>
 <span id="L250" class="LineNr">250 </span>  <span class="Constant">load-inputs</span>
 <span id="L251" class="LineNr">251 </span>  from-file:num, quit?:bool, error?:bool <span class="Special">&lt;-</span> <a href='chessboard.mu.html#L276'>read-file</a> stdin, <a href='081print.mu.html#L16'>screen</a>
@@ -336,7 +336,7 @@ if ('onhashchange' in window) {
 <span id="L273" class="LineNr">273 </span>]
 <span id="L274" class="LineNr">274 </span>
 <span id="L275" class="LineNr">275 </span><span class="Comment"># valid values for file: 0-7</span>
-<span id="L276" class="LineNr">276 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L276'>read-file</a> stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>file:num, quit:bool, error:bool, stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
+<span id="L276" class="LineNr">276 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L276'>read-file</a> stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>file:num, quit:bool, error:bool, stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
 <span id="L277" class="LineNr">277 </span>  <span class="Constant">local-scope</span>
 <span id="L278" class="LineNr">278 </span>  <span class="Constant">load-inputs</span>
 <span id="L279" class="LineNr">279 </span>  c:char, eof?:bool, stdin <span class="Special">&lt;-</span> read stdin
@@ -374,7 +374,7 @@ if ('onhashchange' in window) {
 <span id="L311" class="LineNr">311 </span>]
 <span id="L312" class="LineNr">312 </span>
 <span id="L313" class="LineNr">313 </span><span class="Comment"># valid values for rank: 0-7</span>
-<span id="L314" class="LineNr">314 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L314'>read-rank</a> stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>rank:num, quit?:bool, error?:bool, stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
+<span id="L314" class="LineNr">314 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L314'>read-rank</a> stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>rank:num, quit?:bool, error?:bool, stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
 <span id="L315" class="LineNr">315 </span>  <span class="Constant">local-scope</span>
 <span id="L316" class="LineNr">316 </span>  <span class="Constant">load-inputs</span>
 <span id="L317" class="LineNr">317 </span>  c:char, eof?:bool, stdin <span class="Special">&lt;-</span> read stdin
@@ -412,7 +412,7 @@ if ('onhashchange' in window) {
 <span id="L349" class="LineNr">349 </span>
 <span id="L350" class="LineNr">350 </span><span class="Comment"># read a character from the given channel and check that it's what we expect</span>
 <span id="L351" class="LineNr">351 </span><span class="Comment"># return true on error</span>
-<span id="L352" class="LineNr">352 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L352'>expect-from-channel</a> stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, expected:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>result:bool, stdin:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
+<span id="L352" class="LineNr">352 </span><span class="muRecipe">def</span> <a href='chessboard.mu.html#L352'>expect-from-channel</a> stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, expected:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a><span class="muRecipe"> -&gt; </span>result:bool, stdin:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='081print.mu.html#L16'>screen</a>:&amp;:<a href='081print.mu.html#L16'>screen</a> [
 <span id="L353" class="LineNr">353 </span>  <span class="Constant">local-scope</span>
 <span id="L354" class="LineNr">354 </span>  <span class="Constant">load-inputs</span>
 <span id="L355" class="LineNr">355 </span>  c:char, eof?:bool, stdin <span class="Special">&lt;-</span> read stdin
@@ -428,8 +428,8 @@ if ('onhashchange' in window) {
 <span id="L365" class="LineNr">365 </span><span class="muScenario">scenario</span> read-move-blocking [
 <span id="L366" class="LineNr">366 </span>  <span class="Constant">local-scope</span>
 <span id="L367" class="LineNr">367 </span>  assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span>
-<span id="L368" class="LineNr">368 </span>  <a href='075channel.mu.html#L43'>source</a>:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">2/capacity</span>
-<span id="L369" class="LineNr">369 </span>  read-move-routine:num/routine <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L43'>source</a>, <a href='081print.mu.html#L16'>screen</a>
+<span id="L368" class="LineNr">368 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">2/capacity</span>
+<span id="L369" class="LineNr">369 </span>  read-move-routine:num/routine <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L36'>source</a>, <a href='081print.mu.html#L16'>screen</a>
 <span id="L370" class="LineNr">370 </span>  run [
 <span id="L371" class="LineNr">371 </span>    <span class="Comment"># 'read-move' is waiting for keypress</span>
 <span id="L372" class="LineNr">372 </span>    wait-for-routine-to-block read-move-routine
@@ -438,7 +438,7 @@ if ('onhashchange' in window) {
 <span id="L375" class="LineNr">375 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L376" class="LineNr">376 </span><span class="Constant">F read-move-blocking: routine failed to pause after coming up (before any keys were pressed)]</span>
 <span id="L377" class="LineNr">377 </span>    <span class="Comment"># press 'a'</span>
-<span id="L378" class="LineNr">378 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span>
+<span id="L378" class="LineNr">378 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">97/a</span>
 <span id="L379" class="LineNr">379 </span>    restart read-move-routine
 <span id="L380" class="LineNr">380 </span>    <span class="Comment"># 'read-move' still waiting for keypress</span>
 <span id="L381" class="LineNr">381 </span>    wait-for-routine-to-block read-move-routine
@@ -447,7 +447,7 @@ if ('onhashchange' in window) {
 <span id="L384" class="LineNr">384 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L385" class="LineNr">385 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a']</span>
 <span id="L386" class="LineNr">386 </span>    <span class="Comment"># press '2'</span>
-<span id="L387" class="LineNr">387 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span>
+<span id="L387" class="LineNr">387 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">50/'2'</span>
 <span id="L388" class="LineNr">388 </span>    restart read-move-routine
 <span id="L389" class="LineNr">389 </span>    <span class="Comment"># 'read-move' still waiting for keypress</span>
 <span id="L390" class="LineNr">390 </span>    wait-for-routine-to-block read-move-routine
@@ -456,7 +456,7 @@ if ('onhashchange' in window) {
 <span id="L393" class="LineNr">393 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L394" class="LineNr">394 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2']</span>
 <span id="L395" class="LineNr">395 </span>    <span class="Comment"># press '-'</span>
-<span id="L396" class="LineNr">396 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">45/'-'</span>
+<span id="L396" class="LineNr">396 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">45/'-'</span>
 <span id="L397" class="LineNr">397 </span>    restart read-move-routine
 <span id="L398" class="LineNr">398 </span>    <span class="Comment"># 'read-move' still waiting for keypress</span>
 <span id="L399" class="LineNr">399 </span>    wait-for-routine-to-block read-move-routine
@@ -465,7 +465,7 @@ if ('onhashchange' in window) {
 <span id="L402" class="LineNr">402 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L403" class="LineNr">403 </span><span class="Constant">F read-move-blocking: routine failed to pause after hyphen 'a2-']</span>
 <span id="L404" class="LineNr">404 </span>    <span class="Comment"># press 'a'</span>
-<span id="L405" class="LineNr">405 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span>
+<span id="L405" class="LineNr">405 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">97/a</span>
 <span id="L406" class="LineNr">406 </span>    restart read-move-routine
 <span id="L407" class="LineNr">407 </span>    <span class="Comment"># 'read-move' still waiting for keypress</span>
 <span id="L408" class="LineNr">408 </span>    wait-for-routine-to-block read-move-routine
@@ -474,7 +474,7 @@ if ('onhashchange' in window) {
 <span id="L411" class="LineNr">411 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L412" class="LineNr">412 </span><span class="Constant">F read-move-blocking: routine failed to pause after rank 'a2-a']</span>
 <span id="L413" class="LineNr">413 </span>    <span class="Comment"># press '4'</span>
-<span id="L414" class="LineNr">414 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">52/'4'</span>
+<span id="L414" class="LineNr">414 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">52/'4'</span>
 <span id="L415" class="LineNr">415 </span>    restart read-move-routine
 <span id="L416" class="LineNr">416 </span>    <span class="Comment"># 'read-move' still waiting for keypress</span>
 <span id="L417" class="LineNr">417 </span>    wait-for-routine-to-block read-move-routine
@@ -483,7 +483,7 @@ if ('onhashchange' in window) {
 <span id="L420" class="LineNr">420 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L421" class="LineNr">421 </span><span class="Constant">F read-move-blocking: routine failed to pause after file 'a2-a4']</span>
 <span id="L422" class="LineNr">422 </span>    <span class="Comment"># press 'newline'</span>
-<span id="L423" class="LineNr">423 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>,<span class="Constant"> 10</span>  <span class="Comment"># newline</span>
+<span id="L423" class="LineNr">423 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>,<span class="Constant"> 10</span>  <span class="Comment"># newline</span>
 <span id="L424" class="LineNr">424 </span>    restart read-move-routine
 <span id="L425" class="LineNr">425 </span>    <span class="Comment"># 'read-move' now completes</span>
 <span id="L426" class="LineNr">426 </span>    wait-for-routine-to-block read-move-routine
@@ -501,8 +501,8 @@ if ('onhashchange' in window) {
 <span id="L438" class="LineNr">438 </span><span class="muScenario">scenario</span> read-move-quit [
 <span id="L439" class="LineNr">439 </span>  <span class="Constant">local-scope</span>
 <span id="L440" class="LineNr">440 </span>  assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span>
-<span id="L441" class="LineNr">441 </span>  <a href='075channel.mu.html#L43'>source</a>:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">2/capacity</span>
-<span id="L442" class="LineNr">442 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L43'>source</a>, <a href='081print.mu.html#L16'>screen</a>
+<span id="L441" class="LineNr">441 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">2/capacity</span>
+<span id="L442" class="LineNr">442 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L36'>source</a>, <a href='081print.mu.html#L16'>screen</a>
 <span id="L443" class="LineNr">443 </span>  run [
 <span id="L444" class="LineNr">444 </span>    <span class="Comment"># 'read-move' is waiting for keypress</span>
 <span id="L445" class="LineNr">445 </span>    wait-for-routine-to-block read-move-routine
@@ -511,7 +511,7 @@ if ('onhashchange' in window) {
 <span id="L448" class="LineNr">448 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L449" class="LineNr">449 </span><span class="Constant">F read-move-quit: routine failed to pause after coming up (before any keys were pressed)]</span>
 <span id="L450" class="LineNr">450 </span>    <span class="Comment"># press 'q'</span>
-<span id="L451" class="LineNr">451 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">113/q</span>
+<span id="L451" class="LineNr">451 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">113/q</span>
 <span id="L452" class="LineNr">452 </span>    restart read-move-routine
 <span id="L453" class="LineNr">453 </span>    <span class="Comment"># 'read-move' completes</span>
 <span id="L454" class="LineNr">454 </span>    wait-for-routine-to-block read-move-routine
@@ -529,8 +529,8 @@ if ('onhashchange' in window) {
 <span id="L466" class="LineNr">466 </span><span class="muScenario">scenario</span> read-move-illegal-file [
 <span id="L467" class="LineNr">467 </span>  <span class="Constant">local-scope</span>
 <span id="L468" class="LineNr">468 </span>  assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span>
-<span id="L469" class="LineNr">469 </span>  <a href='075channel.mu.html#L43'>source</a>:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">2/capacity</span>
-<span id="L470" class="LineNr">470 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L43'>source</a>, <a href='081print.mu.html#L16'>screen</a>
+<span id="L469" class="LineNr">469 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">2/capacity</span>
+<span id="L470" class="LineNr">470 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L36'>source</a>, <a href='081print.mu.html#L16'>screen</a>
 <span id="L471" class="LineNr">471 </span>  run [
 <span id="L472" class="LineNr">472 </span>    <span class="Comment"># 'read-move' is waiting for keypress</span>
 <span id="L473" class="LineNr">473 </span>    wait-for-routine-to-block read-move-routine
@@ -538,7 +538,7 @@ if ('onhashchange' in window) {
 <span id="L475" class="LineNr">475 </span>    waiting?:bool <span class="Special">&lt;-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span>
 <span id="L476" class="LineNr">476 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L477" class="LineNr">477 </span><span class="Constant">F read-move-illegal-file: routine failed to pause after coming up (before any keys were pressed)]</span>
-<span id="L478" class="LineNr">478 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">50/'2'</span>
+<span id="L478" class="LineNr">478 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">50/'2'</span>
 <span id="L479" class="LineNr">479 </span>    restart read-move-routine
 <span id="L480" class="LineNr">480 </span>    wait-for-routine-to-block read-move-routine
 <span id="L481" class="LineNr">481 </span>  ]
@@ -551,8 +551,8 @@ if ('onhashchange' in window) {
 <span id="L488" class="LineNr">488 </span><span class="muScenario">scenario</span> read-move-illegal-rank [
 <span id="L489" class="LineNr">489 </span>  <span class="Constant">local-scope</span>
 <span id="L490" class="LineNr">490 </span>  assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span>
-<span id="L491" class="LineNr">491 </span>  <a href='075channel.mu.html#L43'>source</a>:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">2/capacity</span>
-<span id="L492" class="LineNr">492 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L43'>source</a>, <a href='081print.mu.html#L16'>screen</a>
+<span id="L491" class="LineNr">491 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">2/capacity</span>
+<span id="L492" class="LineNr">492 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L36'>source</a>, <a href='081print.mu.html#L16'>screen</a>
 <span id="L493" class="LineNr">493 </span>  run [
 <span id="L494" class="LineNr">494 </span>    <span class="Comment"># 'read-move' is waiting for keypress</span>
 <span id="L495" class="LineNr">495 </span>    wait-for-routine-to-block read-move-routine
@@ -560,8 +560,8 @@ if ('onhashchange' in window) {
 <span id="L497" class="LineNr">497 </span>    waiting?:bool <span class="Special">&lt;-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span>
 <span id="L498" class="LineNr">498 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L499" class="LineNr">499 </span><span class="Constant">F read-move-illegal-rank: routine failed to pause after coming up (before any keys were pressed)]</span>
-<span id="L500" class="LineNr">500 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span>
-<span id="L501" class="LineNr">501 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span>
+<span id="L500" class="LineNr">500 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">97/a</span>
+<span id="L501" class="LineNr">501 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">97/a</span>
 <span id="L502" class="LineNr">502 </span>    restart read-move-routine
 <span id="L503" class="LineNr">503 </span>    wait-for-routine-to-block read-move-routine
 <span id="L504" class="LineNr">504 </span>  ]
@@ -574,8 +574,8 @@ if ('onhashchange' in window) {
 <span id="L511" class="LineNr">511 </span><span class="muScenario">scenario</span> read-move-empty [
 <span id="L512" class="LineNr">512 </span>  <span class="Constant">local-scope</span>
 <span id="L513" class="LineNr">513 </span>  assume-screen <span class="Constant">20/width</span>, <span class="Constant">2/height</span>
-<span id="L514" class="LineNr">514 </span>  <a href='075channel.mu.html#L43'>source</a>:&amp;:<a href='075channel.mu.html#L43'>source</a>:char, <a href='075channel.mu.html#L47'>sink</a>:&amp;:<a href='075channel.mu.html#L47'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L51'>new-channel</a> <span class="Constant">2/capacity</span>
-<span id="L515" class="LineNr">515 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L43'>source</a>, <a href='081print.mu.html#L16'>screen</a>
+<span id="L514" class="LineNr">514 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">2/capacity</span>
+<span id="L515" class="LineNr">515 </span>  read-move-routine:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='chessboard.mu.html#L248'>read-move</a>, <a href='075channel.mu.html#L36'>source</a>, <a href='081print.mu.html#L16'>screen</a>
 <span id="L516" class="LineNr">516 </span>  run [
 <span id="L517" class="LineNr">517 </span>    <span class="Comment"># 'read-move' is waiting for keypress</span>
 <span id="L518" class="LineNr">518 </span>    wait-for-routine-to-block read-move-routine
@@ -583,8 +583,8 @@ if ('onhashchange' in window) {
 <span id="L520" class="LineNr">520 </span>    waiting?:bool <span class="Special">&lt;-</span> not-equal read-move-state, <span class="Constant">2/discontinued</span>
 <span id="L521" class="LineNr">521 </span>    assert waiting?, <span class="Constant">[ </span>
 <span id="L522" class="LineNr">522 </span><span class="Constant">F read-move-empty: routine failed to pause after coming up (before any keys were pressed)]</span>
-<span id="L523" class="LineNr">523 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">10/newline</span>
-<span id="L524" class="LineNr">524 </span>    <a href='075channel.mu.html#L47'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L67'>write</a> <a href='075channel.mu.html#L47'>sink</a>, <span class="Constant">97/a</span>
+<span id="L523" class="LineNr">523 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">10/newline</span>
+<span id="L524" class="LineNr">524 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, <span class="Constant">97/a</span>
 <span id="L525" class="LineNr">525 </span>    restart read-move-routine
 <span id="L526" class="LineNr">526 </span>    wait-for-routine-to-block read-move-routine
 <span id="L527" class="LineNr">527 </span>  ]