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* 4891Kartik Agaram2018-12-301-0/+1
* 4890 - new html renderingsKartik Agaram2018-12-291-12/+7
* 4814Kartik Agaram2018-12-011-9/+12
* 4539Kartik Agaram2018-09-071-4/+4
* 4447Kartik Agaram2018-07-271-1/+1
* 4239Kartik Agaram2018-05-081-3/+3
* 4200Kartik K. Agaram2018-01-271-2/+2
* 4199Kartik K. Agaram2018-01-251-7/+6
* 4161Kartik K. Agaram2017-12-151-4/+4
* 4134 - 'input' = 'ingredient'Kartik K. Agaram2017-12-031-3/+3
* 3990Kartik K. Agaram2017-09-031-2/+2
* 3764 - better colors for cross-linksKartik K. Agaram2017-03-081-3/+4
* 3761Kartik K. Agaram2017-03-071-3/+4
* 3716Kartik K. Agaram2016-12-261-0/+2
* 3713 - cross-link calls with definitions in htmlKartik K. Agaram2016-12-261-2/+2
* 3710Kartik K. Agaram2016-12-261-48/+48
* 3709 - line numbers in htmlKartik K. Agaram2016-12-261-51/+75
* 3569Kartik K. Agaram2016-10-231-11/+11
* 3431Kartik K. Agaram2016-09-301-2/+2
* 3395Kartik K. Agaram2016-09-171-6/+6
* 3371Kartik K. Agaram2016-09-161-0/+17
* 3355Kartik K. Agaram2016-09-151-0/+66
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
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<a href='https://github.com/akkartik/mu/blob/master/channel.mu'>https://github.com/akkartik/mu/blob/master/channel.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment"># example program: communicating between routines using channels</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L3'>producer</a> <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char<span class="muRecipe"> -&gt; </span><a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char [
<span id="L4" class="LineNr"> 4 </span>  <span class="Comment"># produce characters 1 to 5 on a channel</span>
<span id="L5" class="LineNr"> 5 </span>  <span class="Constant">local-scope</span>
<span id="L6" class="LineNr"> 6 </span>  <span class="Constant">load-inputs</span>
<span id="L7" class="LineNr"> 7 </span>  <span class="Comment"># n = 0</span>
<span id="L8" class="LineNr"> 8 </span>  n:char <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
<span id="L9" class="LineNr"> 9 </span>  <span class="Delimiter">{</span>
<span id="L10" class="LineNr">10 </span>    done?:bool <span class="Special">&lt;-</span> lesser-than n,<span class="Constant"> 5</span>
<span id="L11" class="LineNr">11 </span>    <span class="muControl">break-unless</span> done?
<span id="L12" class="LineNr">12 </span>    <span class="Comment"># other threads might get between these prints</span>
<span id="L13" class="LineNr">13 </span>    $print <span class="Constant">[produce: ]</span>, n, <span class="Constant">[ </span>
<span id="L14" class="LineNr">14 </span><span class="Constant">]</span>
<span id="L15" class="LineNr">15 </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>, n
<span id="L16" class="LineNr">16 </span>    n <span class="Special">&lt;-</span> add n,<span class="Constant"> 1</span>
<span id="L17" class="LineNr">17 </span>   <span class="muControl"> loop</span>
<span id="L18" class="LineNr">18 </span>  <span class="Delimiter">}</span>
<span id="L19" class="LineNr">19 </span>  close <a href='075channel.mu.html#L40'>sink</a>
<span id="L20" class="LineNr">20 </span>]
<span id="L21" class="LineNr">21 </span>
<span id="L22" class="LineNr">22 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L22'>consumer</a> <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char<span class="muRecipe"> -&gt; </span><a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char [
<span id="L23" class="LineNr">23 </span>  <span class="Comment"># consume and print integers from a channel</span>
<span id="L24" class="LineNr">24 </span>  <span class="Constant">local-scope</span>
<span id="L25" class="LineNr">25 </span>  <span class="Constant">load-inputs</span>
<span id="L26" class="LineNr">26 </span>  <span class="Delimiter">{</span>
<span id="L27" class="LineNr">27 </span>    <span class="Comment"># read an integer from the channel</span>
<span id="L28" class="LineNr">28 </span>    n:char, eof?:bool, <a href='075channel.mu.html#L36'>source</a> <span class="Special">&lt;-</span> read <a href='075channel.mu.html#L36'>source</a>
<span id="L29" class="LineNr">29 </span>    <span class="muControl">break-if</span> eof?
<span id="L30" class="LineNr">30 </span>    <span class="Comment"># other threads might get between these prints</span>
<span id="L31" class="LineNr">31 </span>    $print <span class="Constant">[consume: ]</span>, n:char, <span class="Constant">[ </span>
<span id="L32" class="LineNr">32 </span><span class="Constant">]</span>
<span id="L33" class="LineNr">33 </span>   <span class="muControl"> loop</span>
<span id="L34" class="LineNr">34 </span>  <span class="Delimiter">}</span>
<span id="L35" class="LineNr">35 </span>]
<span id="L36" class="LineNr">36 </span>
<span id="L37" class="LineNr">37 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L37'>main</a> [
<span id="L38" class="LineNr">38 </span>  <span class="Constant">local-scope</span>
<span id="L39" class="LineNr">39 </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">3/capacity</span>
<span id="L40" class="LineNr">40 </span>  <span class="Comment"># create two background 'routines' that communicate by a channel</span>
<span id="L41" class="LineNr">41 </span>  routine1:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='channel.mu.html#L3'>producer</a>, <a href='075channel.mu.html#L40'>sink</a>
<span id="L42" class="LineNr">42 </span>  routine2:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='channel.mu.html#L22'>consumer</a>, <a href='075channel.mu.html#L36'>source</a>
<span id="L43" class="LineNr">43 </span>  wait-for-routine routine1
<span id="L44" class="LineNr">44 </span>  wait-for-routine routine2
<span id="L45" class="LineNr">45 </span>]
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