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[colours]
bkgnd=default
titlebar=cyan
titlebar.text=black
titlebar.brackets=black
titlebar.unencrypted=black
titlebar.encrypted=white
titlebar.untrusted=white
titlebar.trusted=white
titlebar.online=white
titlebar.offline=white
titlebar.away=white
titlebar.chat=white
titlebar.dnd=white
titlebar.xa=white
statusbar=green
statusbar.text=black
statusbar.brackets=black
statusbar.active=bold_green
statusbar.new=white
main.text=bold_cyan
main.text.me=yellow
main.text.them=green
main.splash=bold_yellow
main.time=bold_green
input.text=bold_blue
subscribed=green
unsubscribed=bold_black
otr.started.trusted=green
otr.started.untrusted=yellow
otr.ended=red
otr.trusted=green
otr.untrusted=yellow
online=green
away=blue
chat=green
dnd=bold_black
xa=blue
offline=bold_black
incoming=bold_yellow
typing=yellow
gone=bold_black
error=bold_black
roominfo=yellow
roommention=bold_cyan
me=blue
them=bold_blue
roster.header=bold_green
occupants.header=bold_green
receipt.sent=bold_black
eight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .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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<title>Mu - 070table.mu</title>
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<a href='https://github.com/akkartik/mu/blob/master/070table.mu'>https://github.com/akkartik/mu/blob/master/070table.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment"># A table is like an array, except that you can index it with arbitrary types</span>
<span id="L2" class="LineNr">  2 </span><span class="Comment"># and not just non-negative whole numbers.</span>
<span id="L3" class="LineNr">  3 </span>
<span id="L4" class="LineNr">  4 </span><span class="Comment"># incomplete; doesn't handle hash conflicts</span>
<span id="L5" class="LineNr">  5 </span>
<span id="L6" class="LineNr">  6 </span><span class="muScenario">scenario</span> table-read-write [
<span id="L7" class="LineNr">  7 </span>  <span class="Constant">local-scope</span>
<span id="L8" class="LineNr">  8 </span>  tab:&amp;:<a href='070table.mu.html#L44'>table</a>:num:num <span class="Special">&lt;-</span> <a href='070table.mu.html#L56'>new-table</a><span class="Constant"> 30</span>
<span id="L9" class="LineNr">  9 </span>  run [
<span id="L10" class="LineNr"> 10 </span>    put-index tab,<span class="Constant"> 12</span>,<span class="Constant"> 34</span>
<span id="L11" class="LineNr"> 11 </span>    60:num/<span class="Special">raw</span>, 61:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> index tab,<span class="Constant"> 12</span>
<span id="L12" class="LineNr"> 12 </span>  ]
<span id="L13" class="LineNr"> 13 </span>  memory-should-contain [
<span id="L14" class="LineNr"> 14 </span>   <span class="Constant"> 60</span> <span class="Special">&lt;-</span><span class="Constant"> 34</span>
<span id="L15" class="LineNr"> 15 </span>   <span class="Constant"> 61</span> <span class="Special">&lt;-</span><span class="Constant"> 1</span>  <span class="Comment"># found</span>
<span id="L16" class="LineNr"> 16 </span>  ]
<span id="L17" class="LineNr"> 17 </span>]
<span id="L18" class="LineNr"> 18 </span>
<span id="L19" class="LineNr"> 19 </span><span class="muScenario">scenario</span> table-read-write-non-integer [
<span id="L20" class="LineNr"> 20 </span>  <span class="Constant">local-scope</span>
<span id="L21" class="LineNr"> 21 </span>  tab:&amp;:<a href='070table.mu.html#L44'>table</a>:text:num <span class="Special">&lt;-</span> <a href='070table.mu.html#L56'>new-table</a><span class="Constant"> 30</span>
<span id="L22" class="LineNr"> 22 </span>  run [
<span id="L23" class="LineNr"> 23 </span>    put-index tab, <span class="Constant">[abc def]</span>,<span class="Constant"> 34</span>
<span id="L24" class="LineNr"> 24 </span>    1:num/<span class="Special">raw</span>, 2:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> index tab, <span class="Constant">[abc def]</span>
<span id="L25" class="LineNr"> 25 </span>  ]
<span id="L26" class="LineNr"> 26 </span>  memory-should-contain [
<span id="L27" class="LineNr"> 27 </span>   <span class="Constant"> 1</span> <span class="Special">&lt;-</span><span class="Constant"> 34</span>
<span id="L28" class="LineNr"> 28 </span>   <span class="Constant"> 2</span> <span class="Special">&lt;-</span><span class="Constant"> 1</span>  <span class="Comment"># found</span>
<span id="L29" class="LineNr"> 29 </span>  ]
<span id="L30" class="LineNr"> 30 </span>]
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="muScenario">scenario</span> table-read-not-found [
<span id="L33" class="LineNr"> 33 </span>  <span class="Constant">local-scope</span>
<span id="L34" class="LineNr"> 34 </span>  tab:&amp;:<a href='070table.mu.html#L44'>table</a>:text:num <span class="Special">&lt;-</span> <a href='070table.mu.html#L56'>new-table</a><span class="Constant"> 30</span>
<span id="L35" class="LineNr"> 35 </span>  run [
<span id="L36" class="LineNr"> 36 </span>    1:num/<span class="Special">raw</span>, 2:bool/<span class="Special">raw</span> <span class="Special">&lt;-</span> index tab, <span class="Constant">[abc def]</span>
<span id="L37" class="LineNr"> 37 </span>  ]
<span id="L38" class="LineNr"> 38 </span>  memory-should-contain [
<span id="L39" class="LineNr"> 39 </span>   <span class="Constant"> 1</span> <span class="Special">&lt;-</span><span class="Constant"> 0</span>
<span id="L40" class="LineNr"> 40 </span>   <span class="Constant"> 2</span> <span class="Special">&lt;-</span><span class="Constant"> 0</span>  <span class="Comment"># not found</span>
<span id="L41" class="LineNr"> 41 </span>  ]
<span id="L42" class="LineNr"> 42 </span>]
<span id="L43" class="LineNr"> 43 </span>
<span id="L44" class="LineNr"> 44 </span><span class="muData">container</span> <a href='070table.mu.html#L44'>table</a>:_key:_value [
<span id="L45" class="LineNr"> 45 </span>  length:num
<span id="L46" class="LineNr"> 46 </span>  <a href='075channel.mu.html#L391'>capacity</a>:num
<span id="L47" class="LineNr"> 47 </span>  data:&amp;:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value
<span id="L48" class="LineNr"> 48 </span>]
<span id="L49" class="LineNr"> 49 </span>
<span id="L50" class="LineNr"> 50 </span><span class="muData">container</span> <a href='070table.mu.html#L50'>table-row</a>:_key:_value [
<span id="L51" class="LineNr"> 51 </span>  occupied?:bool
<span id="L52" class="LineNr"> 52 </span>  key:_key
<span id="L53" class="LineNr"> 53 </span>  value:_value
<span id="L54" class="LineNr"> 54 </span>]
<span id="L55" class="LineNr"> 55 </span>
<span id="L56" class="LineNr"> 56 </span><span class="muRecipe">def</span> <a href='070table.mu.html#L56'>new-table</a> <a href='075channel.mu.html#L391'>capacity</a>:num<span class="muRecipe"> -&gt; </span>result:&amp;:<a href='070table.mu.html#L44'>table</a>:_key:_value [
<span id="L57" class="LineNr"> 57 </span>  <span class="Constant">local-scope</span>
<span id="L58" class="LineNr"> 58 </span>  <span class="Constant">load-inputs</span>
<span id="L59" class="LineNr"> 59 </span>  result <span class="Special">&lt;-</span> new <span class="Delimiter">{</span>(table _key _value): type<span class="Delimiter">}</span>
<span id="L60" class="LineNr"> 60 </span>  data:&amp;:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> new <span class="Delimiter">{</span>(table-row _key _value): type<span class="Delimiter">}</span>, <a href='075channel.mu.html#L391'>capacity</a>
<span id="L61" class="LineNr"> 61 </span>  *result <span class="Special">&lt;-</span> merge <span class="Constant">0/length</span>, <a href='075channel.mu.html#L391'>capacity</a>, data
<span id="L62" class="LineNr"> 62 </span>]
<span id="L63" class="LineNr"> 63 </span>
<span id="L64" class="LineNr"> 64 </span><span class="Comment"># todo: tag results as /required so that call-sites are forbidden from ignoring them</span>
<span id="L65" class="LineNr"> 65 </span><span class="Comment"># then we could handle conflicts simply by resizing the table</span>
<span id="L66" class="LineNr"> 66 </span><span class="muRecipe">def</span> put-index <a href='070table.mu.html#L44'>table</a>:&amp;:<a href='070table.mu.html#L44'>table</a>:_key:_value, key:_key, value:_value<span class="muRecipe"> -&gt; </span><a href='070table.mu.html#L44'>table</a>:&amp;:<a href='070table.mu.html#L44'>table</a>:_key:_value [
<span id="L67" class="LineNr"> 67 </span>  <span class="Constant">local-scope</span>
<span id="L68" class="LineNr"> 68 </span>  <span class="Constant">load-inputs</span>
<span id="L69" class="LineNr"> 69 </span>  hash:num <span class="Special">&lt;-</span> hash key
<span id="L70" class="LineNr"> 70 </span>  hash <span class="Special">&lt;-</span> <a href='070table.mu.html#L103'>abs</a> hash
<span id="L71" class="LineNr"> 71 </span>  <a href='075channel.mu.html#L391'>capacity</a>:num <span class="Special">&lt;-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L391'>capacity</a>:offset</span>
<span id="L72" class="LineNr"> 72 </span>  _, hash-key:num <span class="Special">&lt;-</span> divide-with-remainder hash, <a href='075channel.mu.html#L391'>capacity</a>
<span id="L73" class="LineNr"> 73 </span>  hash-key <span class="Special">&lt;-</span> <a href='070table.mu.html#L103'>abs</a> hash-key  <span class="Comment"># in case hash overflows from a double into a negative integer inside 'divide-with-remainder' above</span>
<span id="L74" class="LineNr"> 74 </span>  table-data:&amp;:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> get *table, <span class="Constant">data:offset</span>
<span id="L75" class="LineNr"> 75 </span>  x:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> index *table-data, hash-key
<span id="L76" class="LineNr"> 76 </span>  occupied?:bool <span class="Special">&lt;-</span> get x, <span class="Constant">occupied?:offset</span>
<span id="L77" class="LineNr"> 77 </span>  not-occupied?:bool <span class="Special">&lt;-</span> not occupied?:bool
<span id="L78" class="LineNr"> 78 </span>  assert not-occupied?, <span class="Constant">[can't handle collisions yet]</span>
<span id="L79" class="LineNr"> 79 </span>  new-row:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> merge<span class="Constant"> true</span>, key, value
<span id="L80" class="LineNr"> 80 </span>  *table-data <span class="Special">&lt;-</span> put-index *table-data, hash-key, new-row
<span id="L81" class="LineNr"> 81 </span>]
<span id="L82" class="LineNr"> 82 </span>
<span id="L83" class="LineNr"> 83 </span><span class="muRecipe">def</span> index <a href='070table.mu.html#L44'>table</a>:&amp;:<a href='070table.mu.html#L44'>table</a>:_key:_value, key:_key<span class="muRecipe"> -&gt; </span>result:_value, found?:bool [
<span id="L84" class="LineNr"> 84 </span>  <span class="Constant">local-scope</span>
<span id="L85" class="LineNr"> 85 </span>  <span class="Constant">load-inputs</span>
<span id="L86" class="LineNr"> 86 </span>  hash:num <span class="Special">&lt;-</span> hash key
<span id="L87" class="LineNr"> 87 </span>  hash <span class="Special">&lt;-</span> <a href='070table.mu.html#L103'>abs</a> hash
<span id="L88" class="LineNr"> 88 </span>  <a href='075channel.mu.html#L391'>capacity</a>:num <span class="Special">&lt;-</span> get *table, <span class="Constant"><a href='075channel.mu.html#L391'>capacity</a>:offset</span>
<span id="L89" class="LineNr"> 89 </span>  _, hash-key:num <span class="Special">&lt;-</span> divide-with-remainder hash, <a href='075channel.mu.html#L391'>capacity</a>
<span id="L90" class="LineNr"> 90 </span>  hash-key <span class="Special">&lt;-</span> <a href='070table.mu.html#L103'>abs</a> hash-key  <span class="Comment"># in case hash overflows from a double into a negative integer inside 'divide-with-remainder' above</span>
<span id="L91" class="LineNr"> 91 </span>  table-data:&amp;:@:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> get *table, <span class="Constant">data:offset</span>
<span id="L92" class="LineNr"> 92 </span>  x:<a href='070table.mu.html#L50'>table-row</a>:_key:_value <span class="Special">&lt;-</span> index *table-data, hash-key
<span id="L93" class="LineNr"> 93 </span>  empty:&amp;:_value <span class="Special">&lt;-</span> new <span class="Constant">_value:type</span>
<span id="L94" class="LineNr"> 94 </span>  result <span class="Special">&lt;-</span> copy *empty
<span id="L95" class="LineNr"> 95 </span>  found?:bool <span class="Special">&lt;-</span> get x, <span class="Constant">occupied?:offset</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="muControl">return-unless</span> found?
<span id="L97" class="LineNr"> 97 </span>  key2:_key <span class="Special">&lt;-</span> get x, <span class="Constant">key:offset</span>
<span id="L98" class="LineNr"> 98 </span>  found?:bool <span class="Special">&lt;-</span> equal key, key2
<span id="L99" class="LineNr"> 99 </span>  <span class="muControl">return-unless</span> found?
<span id="L100" class="LineNr">100 </span>  result <span class="Special">&lt;-</span> get x, <span class="Constant">value:offset</span>
<span id="L101" class="LineNr">101 </span>]
<span id="L102" class="LineNr">102 </span>
<span id="L103" class="LineNr">103 </span><span class="muRecipe">def</span> <a href='070table.mu.html#L103'>abs</a> n:num<span class="muRecipe"> -&gt; </span>result:num [
<span id="L104" class="LineNr">104 </span>  <span class="Constant">local-scope</span>
<span id="L105" class="LineNr">105 </span>  <span class="Constant">load-inputs</span>
<span id="L106" class="LineNr">106 </span>  positive?:bool <span class="Special">&lt;-</span> greater-or-equal n,<span class="Constant"> 0</span>
<span id="L107" class="LineNr">107 </span>  <span class="muControl">return-if</span> positive?, n
<span id="L108" class="LineNr">108 </span>  result <span class="Special">&lt;-</span> multiply n,<span class="Constant"> -1</span>
<span id="L109" class="LineNr">109 </span>]
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