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Diffstat (limited to 'html/063array.mu.html')
| -rw-r--r-- | html/063array.mu.html | 362 |
1 files changed, 181 insertions, 181 deletions
diff --git a/html/063array.mu.html b/html/063array.mu.html index d1fcdd39..23337615 100644 --- a/html/063array.mu.html +++ b/html/063array.mu.html @@ -55,187 +55,187 @@ if ('onhashchange' in window) { </head> <body onload='JumpToLine();'> <pre id='vimCodeElement'> -<a name="L1"></a><span id="L1" class="LineNr"> 1 </span><span class="muScenario">scenario</span> array-from-args [ -<a name="L2"></a><span id="L2" class="LineNr"> 2 </span> run [ -<a name="L3"></a><span id="L3" class="LineNr"> 3 </span> <span class="Constant">local-scope</span> -<a name="L4"></a><span id="L4" class="LineNr"> 4 </span> x:&:@:num <span class="Special"><-</span> new-array<span class="Constant"> 0</span>,<span class="Constant"> 1</span>,<span class="Constant"> 2</span> -<a name="L5"></a><span id="L5" class="LineNr"> 5 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *x -<a name="L6"></a><span id="L6" class="LineNr"> 6 </span> ] -<a name="L7"></a><span id="L7" class="LineNr"> 7 </span> memory-should-contain [ -<a name="L8"></a><span id="L8" class="LineNr"> 8 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># array length</span> -<a name="L9"></a><span id="L9" class="LineNr"> 9 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> -<a name="L10"></a><span id="L10" class="LineNr"> 10 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<a name="L11"></a><span id="L11" class="LineNr"> 11 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L12"></a><span id="L12" class="LineNr"> 12 </span> ] -<a name="L13"></a><span id="L13" class="LineNr"> 13 </span>] -<a name="L14"></a><span id="L14" class="LineNr"> 14 </span> -<a name="L15"></a><span id="L15" class="LineNr"> 15 </span><span class="Comment"># create an array out of a list of args</span> -<a name="L16"></a><span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> new-array<span class="muRecipe"> -> </span>result:&:@:_elem [ -<a name="L17"></a><span id="L17" class="LineNr"> 17 </span> <span class="Constant">local-scope</span> -<a name="L18"></a><span id="L18" class="LineNr"> 18 </span> capacity:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<a name="L19"></a><span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">{</span> -<a name="L20"></a><span id="L20" class="LineNr"> 20 </span> <span class="Comment"># while read curr-value</span> -<a name="L21"></a><span id="L21" class="LineNr"> 21 </span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> -<a name="L22"></a><span id="L22" class="LineNr"> 22 </span> <span class="muControl">break-unless</span> exists? -<a name="L23"></a><span id="L23" class="LineNr"> 23 </span> capacity <span class="Special"><-</span> add capacity,<span class="Constant"> 1</span> -<a name="L24"></a><span id="L24" class="LineNr"> 24 </span> <span class="muControl">loop</span> -<a name="L25"></a><span id="L25" class="LineNr"> 25 </span> <span class="Delimiter">}</span> -<a name="L26"></a><span id="L26" class="LineNr"> 26 </span> result <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, capacity -<a name="L27"></a><span id="L27" class="LineNr"> 27 </span> <span class="Constant">rewind-ingredients</span> -<a name="L28"></a><span id="L28" class="LineNr"> 28 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<a name="L29"></a><span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">{</span> -<a name="L30"></a><span id="L30" class="LineNr"> 30 </span> <span class="Comment"># while read curr-value</span> -<a name="L31"></a><span id="L31" class="LineNr"> 31 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, capacity -<a name="L32"></a><span id="L32" class="LineNr"> 32 </span> <span class="muControl">break-if</span> done? -<a name="L33"></a><span id="L33" class="LineNr"> 33 </span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> -<a name="L34"></a><span id="L34" class="LineNr"> 34 </span> assert exists?, <span class="Constant">[error in rewinding ingredients to new-array]</span> -<a name="L35"></a><span id="L35" class="LineNr"> 35 </span> *result <span class="Special"><-</span> put-index *result, i, curr-value -<a name="L36"></a><span id="L36" class="LineNr"> 36 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> -<a name="L37"></a><span id="L37" class="LineNr"> 37 </span> <span class="muControl">loop</span> -<a name="L38"></a><span id="L38" class="LineNr"> 38 </span> <span class="Delimiter">}</span> -<a name="L39"></a><span id="L39" class="LineNr"> 39 </span> <span class="muControl">return</span> result -<a name="L40"></a><span id="L40" class="LineNr"> 40 </span>] -<a name="L41"></a><span id="L41" class="LineNr"> 41 </span> -<a name="L42"></a><span id="L42" class="LineNr"> 42 </span><span class="Comment"># fill an existing array with a set of numbers</span> -<a name="L43"></a><span id="L43" class="LineNr"> 43 </span><span class="Comment"># (contributed by Caleb Couch)</span> -<a name="L44"></a><span id="L44" class="LineNr"> 44 </span><span class="muRecipe">def</span> fill array:&:@:num<span class="muRecipe"> -> </span>array:&:@:num [ -<a name="L45"></a><span id="L45" class="LineNr"> 45 </span> <span class="Constant">local-scope</span> -<a name="L46"></a><span id="L46" class="LineNr"> 46 </span> <span class="Constant">load-ingredients</span> -<a name="L47"></a><span id="L47" class="LineNr"> 47 </span> loopn:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<a name="L48"></a><span id="L48" class="LineNr"> 48 </span> length:num <span class="Special"><-</span> length *array -<a name="L49"></a><span id="L49" class="LineNr"> 49 </span> <span class="Delimiter">{</span> -<a name="L50"></a><span id="L50" class="LineNr"> 50 </span> length?:bool <span class="Special"><-</span> equal loopn, length -<a name="L51"></a><span id="L51" class="LineNr"> 51 </span> <span class="muControl">break-if</span> length? -<a name="L52"></a><span id="L52" class="LineNr"> 52 </span> object:num, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> -<a name="L53"></a><span id="L53" class="LineNr"> 53 </span> <span class="muControl">break-unless</span> arg-received? -<a name="L54"></a><span id="L54" class="LineNr"> 54 </span> *array <span class="Special"><-</span> put-index *array, loopn, object -<a name="L55"></a><span id="L55" class="LineNr"> 55 </span> loopn <span class="Special"><-</span> add loopn,<span class="Constant"> 1</span> -<a name="L56"></a><span id="L56" class="LineNr"> 56 </span> <span class="muControl">loop</span> -<a name="L57"></a><span id="L57" class="LineNr"> 57 </span> <span class="Delimiter">}</span> -<a name="L58"></a><span id="L58" class="LineNr"> 58 </span>] -<a name="L59"></a><span id="L59" class="LineNr"> 59 </span> -<a name="L60"></a><span id="L60" class="LineNr"> 60 </span><span class="muScenario">scenario</span> fill-on-an-empty-array [ -<a name="L61"></a><span id="L61" class="LineNr"> 61 </span> <span class="Constant">local-scope</span> -<a name="L62"></a><span id="L62" class="LineNr"> 62 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> -<a name="L63"></a><span id="L63" class="LineNr"> 63 </span> run [ -<a name="L64"></a><span id="L64" class="LineNr"> 64 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 1 2 3</span> -<a name="L65"></a><span id="L65" class="LineNr"> 65 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array -<a name="L66"></a><span id="L66" class="LineNr"> 66 </span> ] -<a name="L67"></a><span id="L67" class="LineNr"> 67 </span> memory-should-contain [ -<a name="L68"></a><span id="L68" class="LineNr"> 68 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L69"></a><span id="L69" class="LineNr"> 69 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<a name="L70"></a><span id="L70" class="LineNr"> 70 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L71"></a><span id="L71" class="LineNr"> 71 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L72"></a><span id="L72" class="LineNr"> 72 </span> ] -<a name="L73"></a><span id="L73" class="LineNr"> 73 </span>] -<a name="L74"></a><span id="L74" class="LineNr"> 74 </span> -<a name="L75"></a><span id="L75" class="LineNr"> 75 </span><span class="muScenario">scenario</span> fill-overwrites-existing-values [ -<a name="L76"></a><span id="L76" class="LineNr"> 76 </span> <span class="Constant">local-scope</span> -<a name="L77"></a><span id="L77" class="LineNr"> 77 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> -<a name="L78"></a><span id="L78" class="LineNr"> 78 </span> *array <span class="Special"><-</span> put-index *array,<span class="Constant"> 0</span>,<span class="Constant"> 4</span> -<a name="L79"></a><span id="L79" class="LineNr"> 79 </span> run [ -<a name="L80"></a><span id="L80" class="LineNr"> 80 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 1 2 3</span> -<a name="L81"></a><span id="L81" class="LineNr"> 81 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array -<a name="L82"></a><span id="L82" class="LineNr"> 82 </span> ] -<a name="L83"></a><span id="L83" class="LineNr"> 83 </span> memory-should-contain [ -<a name="L84"></a><span id="L84" class="LineNr"> 84 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L85"></a><span id="L85" class="LineNr"> 85 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<a name="L86"></a><span id="L86" class="LineNr"> 86 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L87"></a><span id="L87" class="LineNr"> 87 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L88"></a><span id="L88" class="LineNr"> 88 </span> ] -<a name="L89"></a><span id="L89" class="LineNr"> 89 </span>] -<a name="L90"></a><span id="L90" class="LineNr"> 90 </span> -<a name="L91"></a><span id="L91" class="LineNr"> 91 </span><span class="muScenario">scenario</span> fill-exits-gracefully-when-given-no-ingredients [ -<a name="L92"></a><span id="L92" class="LineNr"> 92 </span> <span class="Constant">local-scope</span> -<a name="L93"></a><span id="L93" class="LineNr"> 93 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> -<a name="L94"></a><span id="L94" class="LineNr"> 94 </span> run [ -<a name="L95"></a><span id="L95" class="LineNr"> 95 </span> array <span class="Special"><-</span> fill array -<a name="L96"></a><span id="L96" class="LineNr"> 96 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array -<a name="L97"></a><span id="L97" class="LineNr"> 97 </span> ] -<a name="L98"></a><span id="L98" class="LineNr"> 98 </span> memory-should-contain [ -<a name="L99"></a><span id="L99" class="LineNr"> 99 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L100"></a><span id="L100" class="LineNr">100 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> -<a name="L101"></a><span id="L101" class="LineNr">101 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> -<a name="L102"></a><span id="L102" class="LineNr">102 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> -<a name="L103"></a><span id="L103" class="LineNr">103 </span> ] -<a name="L104"></a><span id="L104" class="LineNr">104 </span>] -<a name="L105"></a><span id="L105" class="LineNr">105 </span> -<a name="L106"></a><span id="L106" class="LineNr">106 </span><span class="Comment"># swap two elements of an array</span> -<a name="L107"></a><span id="L107" class="LineNr">107 </span><span class="Comment"># (contributed by Caleb Couch)</span> -<a name="L108"></a><span id="L108" class="LineNr">108 </span><span class="muRecipe">def</span> swap array:&:@:num, index1:num, index2:num<span class="muRecipe"> -> </span>array:&:@:num [ -<a name="L109"></a><span id="L109" class="LineNr">109 </span> <span class="Constant">local-scope</span> -<a name="L110"></a><span id="L110" class="LineNr">110 </span> <span class="Constant">load-ingredients</span> -<a name="L111"></a><span id="L111" class="LineNr">111 </span> object1:num <span class="Special"><-</span> index *array, index1 -<a name="L112"></a><span id="L112" class="LineNr">112 </span> object2:num <span class="Special"><-</span> index *array, index2 -<a name="L113"></a><span id="L113" class="LineNr">113 </span> *array <span class="Special"><-</span> put-index *array, index1, object2 -<a name="L114"></a><span id="L114" class="LineNr">114 </span> *array <span class="Special"><-</span> put-index *array, index2, object1 -<a name="L115"></a><span id="L115" class="LineNr">115 </span>] -<a name="L116"></a><span id="L116" class="LineNr">116 </span> -<a name="L117"></a><span id="L117" class="LineNr">117 </span><span class="muScenario">scenario</span> swap-works [ -<a name="L118"></a><span id="L118" class="LineNr">118 </span> <span class="Constant">local-scope</span> -<a name="L119"></a><span id="L119" class="LineNr">119 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 4</span> -<a name="L120"></a><span id="L120" class="LineNr">120 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 4 3 2 1</span> -<a name="L121"></a><span id="L121" class="LineNr">121 </span> run [ -<a name="L122"></a><span id="L122" class="LineNr">122 </span> array <span class="Special"><-</span> swap array,<span class="Constant"> 0</span>,<span class="Constant"> 2</span> -<a name="L123"></a><span id="L123" class="LineNr">123 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> index *array,<span class="Constant"> 0</span> -<a name="L124"></a><span id="L124" class="LineNr">124 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> index *array,<span class="Constant"> 2</span> -<a name="L125"></a><span id="L125" class="LineNr">125 </span> ] -<a name="L126"></a><span id="L126" class="LineNr">126 </span> memory-should-contain [ -<a name="L127"></a><span id="L127" class="LineNr">127 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L128"></a><span id="L128" class="LineNr">128 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 4</span> -<a name="L129"></a><span id="L129" class="LineNr">129 </span> ] -<a name="L130"></a><span id="L130" class="LineNr">130 </span>] -<a name="L131"></a><span id="L131" class="LineNr">131 </span> -<a name="L132"></a><span id="L132" class="LineNr">132 </span><span class="Comment"># reverse the elements of an array</span> -<a name="L133"></a><span id="L133" class="LineNr">133 </span><span class="Comment"># (contributed by Caleb Couch)</span> -<a name="L134"></a><span id="L134" class="LineNr">134 </span><span class="muRecipe">def</span> reverse array:&:@:_elem<span class="muRecipe"> -> </span>array:&:@:_elem [ -<a name="L135"></a><span id="L135" class="LineNr">135 </span> <span class="Constant">local-scope</span> -<a name="L136"></a><span id="L136" class="LineNr">136 </span> <span class="Constant">load-ingredients</span> -<a name="L137"></a><span id="L137" class="LineNr">137 </span> start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> -<a name="L138"></a><span id="L138" class="LineNr">138 </span> length:num <span class="Special"><-</span> length *array -<a name="L139"></a><span id="L139" class="LineNr">139 </span> end:num <span class="Special"><-</span> subtract length,<span class="Constant"> 1</span> -<a name="L140"></a><span id="L140" class="LineNr">140 </span> <span class="Delimiter">{</span> -<a name="L141"></a><span id="L141" class="LineNr">141 </span> done?:bool <span class="Special"><-</span> greater-or-equal start, end -<a name="L142"></a><span id="L142" class="LineNr">142 </span> <span class="muControl">break-if</span> done? -<a name="L143"></a><span id="L143" class="LineNr">143 </span> array <span class="Special"><-</span> swap array, start, end -<a name="L144"></a><span id="L144" class="LineNr">144 </span> start <span class="Special"><-</span> add start,<span class="Constant"> 1</span> -<a name="L145"></a><span id="L145" class="LineNr">145 </span> end <span class="Special"><-</span> subtract end,<span class="Constant"> 1</span> -<a name="L146"></a><span id="L146" class="LineNr">146 </span> <span class="muControl">loop</span> -<a name="L147"></a><span id="L147" class="LineNr">147 </span> <span class="Delimiter">}</span> -<a name="L148"></a><span id="L148" class="LineNr">148 </span>] -<a name="L149"></a><span id="L149" class="LineNr">149 </span> -<a name="L150"></a><span id="L150" class="LineNr">150 </span><span class="muScenario">scenario</span> reverse-array-odd-length [ -<a name="L151"></a><span id="L151" class="LineNr">151 </span> <span class="Constant">local-scope</span> -<a name="L152"></a><span id="L152" class="LineNr">152 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> -<a name="L153"></a><span id="L153" class="LineNr">153 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 3 2 1</span> -<a name="L154"></a><span id="L154" class="LineNr">154 </span> run [ -<a name="L155"></a><span id="L155" class="LineNr">155 </span> array <span class="Special"><-</span> reverse array -<a name="L156"></a><span id="L156" class="LineNr">156 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array -<a name="L157"></a><span id="L157" class="LineNr">157 </span> ] -<a name="L158"></a><span id="L158" class="LineNr">158 </span> memory-should-contain [ -<a name="L159"></a><span id="L159" class="LineNr">159 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L160"></a><span id="L160" class="LineNr">160 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<a name="L161"></a><span id="L161" class="LineNr">161 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L162"></a><span id="L162" class="LineNr">162 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L163"></a><span id="L163" class="LineNr">163 </span> ] -<a name="L164"></a><span id="L164" class="LineNr">164 </span>] -<a name="L165"></a><span id="L165" class="LineNr">165 </span> -<a name="L166"></a><span id="L166" class="LineNr">166 </span><span class="muScenario">scenario</span> reverse-array-even-length [ -<a name="L167"></a><span id="L167" class="LineNr">167 </span> <span class="Constant">local-scope</span> -<a name="L168"></a><span id="L168" class="LineNr">168 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 4</span> -<a name="L169"></a><span id="L169" class="LineNr">169 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 4 3 2 1</span> -<a name="L170"></a><span id="L170" class="LineNr">170 </span> run [ -<a name="L171"></a><span id="L171" class="LineNr">171 </span> array <span class="Special"><-</span> reverse array -<a name="L172"></a><span id="L172" class="LineNr">172 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array -<a name="L173"></a><span id="L173" class="LineNr">173 </span> ] -<a name="L174"></a><span id="L174" class="LineNr">174 </span> memory-should-contain [ -<a name="L175"></a><span id="L175" class="LineNr">175 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> -<a name="L176"></a><span id="L176" class="LineNr">176 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> -<a name="L177"></a><span id="L177" class="LineNr">177 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> -<a name="L178"></a><span id="L178" class="LineNr">178 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> -<a name="L179"></a><span id="L179" class="LineNr">179 </span> <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 4</span> -<a name="L180"></a><span id="L180" class="LineNr">180 </span> ] -<a name="L181"></a><span id="L181" class="LineNr">181 </span>] +<span id="L1" class="LineNr"> 1 </span><span class="muScenario">scenario</span> array-from-args [ +<span id="L2" class="LineNr"> 2 </span> run [ +<span id="L3" class="LineNr"> 3 </span> <span class="Constant">local-scope</span> +<span id="L4" class="LineNr"> 4 </span> x:&:@:num <span class="Special"><-</span> new-array<span class="Constant"> 0</span>,<span class="Constant"> 1</span>,<span class="Constant"> 2</span> +<span id="L5" class="LineNr"> 5 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *x +<span id="L6" class="LineNr"> 6 </span> ] +<span id="L7" class="LineNr"> 7 </span> memory-should-contain [ +<span id="L8" class="LineNr"> 8 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> <span class="Comment"># array length</span> +<span id="L9" class="LineNr"> 9 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L10" class="LineNr"> 10 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L11" class="LineNr"> 11 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L12" class="LineNr"> 12 </span> ] +<span id="L13" class="LineNr"> 13 </span>] +<span id="L14" class="LineNr"> 14 </span> +<span id="L15" class="LineNr"> 15 </span><span class="Comment"># create an array out of a list of args</span> +<span id="L16" class="LineNr"> 16 </span><span class="muRecipe">def</span> new-array<span class="muRecipe"> -> </span>result:&:@:_elem [ +<span id="L17" class="LineNr"> 17 </span> <span class="Constant">local-scope</span> +<span id="L18" class="LineNr"> 18 </span> capacity:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">{</span> +<span id="L20" class="LineNr"> 20 </span> <span class="Comment"># while read curr-value</span> +<span id="L21" class="LineNr"> 21 </span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<span id="L22" class="LineNr"> 22 </span> <span class="muControl">break-unless</span> exists? +<span id="L23" class="LineNr"> 23 </span> capacity <span class="Special"><-</span> add capacity,<span class="Constant"> 1</span> +<span id="L24" class="LineNr"> 24 </span> <span class="muControl">loop</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Delimiter">}</span> +<span id="L26" class="LineNr"> 26 </span> result <span class="Special"><-</span> new <span class="Constant">_elem:type</span>, capacity +<span id="L27" class="LineNr"> 27 </span> <span class="Constant">rewind-ingredients</span> +<span id="L28" class="LineNr"> 28 </span> i:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">{</span> +<span id="L30" class="LineNr"> 30 </span> <span class="Comment"># while read curr-value</span> +<span id="L31" class="LineNr"> 31 </span> done?:bool <span class="Special"><-</span> greater-or-equal i, capacity +<span id="L32" class="LineNr"> 32 </span> <span class="muControl">break-if</span> done? +<span id="L33" class="LineNr"> 33 </span> curr-value:_elem, exists?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<span id="L34" class="LineNr"> 34 </span> assert exists?, <span class="Constant">[error in rewinding ingredients to new-array]</span> +<span id="L35" class="LineNr"> 35 </span> *result <span class="Special"><-</span> put-index *result, i, curr-value +<span id="L36" class="LineNr"> 36 </span> i <span class="Special"><-</span> add i,<span class="Constant"> 1</span> +<span id="L37" class="LineNr"> 37 </span> <span class="muControl">loop</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Delimiter">}</span> +<span id="L39" class="LineNr"> 39 </span> <span class="muControl">return</span> result +<span id="L40" class="LineNr"> 40 </span>] +<span id="L41" class="LineNr"> 41 </span> +<span id="L42" class="LineNr"> 42 </span><span class="Comment"># fill an existing array with a set of numbers</span> +<span id="L43" class="LineNr"> 43 </span><span class="Comment"># (contributed by Caleb Couch)</span> +<span id="L44" class="LineNr"> 44 </span><span class="muRecipe">def</span> fill array:&:@:num<span class="muRecipe"> -> </span>array:&:@:num [ +<span id="L45" class="LineNr"> 45 </span> <span class="Constant">local-scope</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Constant">load-ingredients</span> +<span id="L47" class="LineNr"> 47 </span> loopn:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L48" class="LineNr"> 48 </span> length:num <span class="Special"><-</span> length *array +<span id="L49" class="LineNr"> 49 </span> <span class="Delimiter">{</span> +<span id="L50" class="LineNr"> 50 </span> length?:bool <span class="Special"><-</span> equal loopn, length +<span id="L51" class="LineNr"> 51 </span> <span class="muControl">break-if</span> length? +<span id="L52" class="LineNr"> 52 </span> object:num, arg-received?:bool <span class="Special"><-</span> <span class="Constant">next-ingredient</span> +<span id="L53" class="LineNr"> 53 </span> <span class="muControl">break-unless</span> arg-received? +<span id="L54" class="LineNr"> 54 </span> *array <span class="Special"><-</span> put-index *array, loopn, object +<span id="L55" class="LineNr"> 55 </span> loopn <span class="Special"><-</span> add loopn,<span class="Constant"> 1</span> +<span id="L56" class="LineNr"> 56 </span> <span class="muControl">loop</span> +<span id="L57" class="LineNr"> 57 </span> <span class="Delimiter">}</span> +<span id="L58" class="LineNr"> 58 </span>] +<span id="L59" class="LineNr"> 59 </span> +<span id="L60" class="LineNr"> 60 </span><span class="muScenario">scenario</span> fill-on-an-empty-array [ +<span id="L61" class="LineNr"> 61 </span> <span class="Constant">local-scope</span> +<span id="L62" class="LineNr"> 62 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> +<span id="L63" class="LineNr"> 63 </span> run [ +<span id="L64" class="LineNr"> 64 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 1 2 3</span> +<span id="L65" class="LineNr"> 65 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array +<span id="L66" class="LineNr"> 66 </span> ] +<span id="L67" class="LineNr"> 67 </span> memory-should-contain [ +<span id="L68" class="LineNr"> 68 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L69" class="LineNr"> 69 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L70" class="LineNr"> 70 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L71" class="LineNr"> 71 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L72" class="LineNr"> 72 </span> ] +<span id="L73" class="LineNr"> 73 </span>] +<span id="L74" class="LineNr"> 74 </span> +<span id="L75" class="LineNr"> 75 </span><span class="muScenario">scenario</span> fill-overwrites-existing-values [ +<span id="L76" class="LineNr"> 76 </span> <span class="Constant">local-scope</span> +<span id="L77" class="LineNr"> 77 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> +<span id="L78" class="LineNr"> 78 </span> *array <span class="Special"><-</span> put-index *array,<span class="Constant"> 0</span>,<span class="Constant"> 4</span> +<span id="L79" class="LineNr"> 79 </span> run [ +<span id="L80" class="LineNr"> 80 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 1 2 3</span> +<span id="L81" class="LineNr"> 81 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array +<span id="L82" class="LineNr"> 82 </span> ] +<span id="L83" class="LineNr"> 83 </span> memory-should-contain [ +<span id="L84" class="LineNr"> 84 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L86" class="LineNr"> 86 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L88" class="LineNr"> 88 </span> ] +<span id="L89" class="LineNr"> 89 </span>] +<span id="L90" class="LineNr"> 90 </span> +<span id="L91" class="LineNr"> 91 </span><span class="muScenario">scenario</span> fill-exits-gracefully-when-given-no-ingredients [ +<span id="L92" class="LineNr"> 92 </span> <span class="Constant">local-scope</span> +<span id="L93" class="LineNr"> 93 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> +<span id="L94" class="LineNr"> 94 </span> run [ +<span id="L95" class="LineNr"> 95 </span> array <span class="Special"><-</span> fill array +<span id="L96" class="LineNr"> 96 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array +<span id="L97" class="LineNr"> 97 </span> ] +<span id="L98" class="LineNr"> 98 </span> memory-should-contain [ +<span id="L99" class="LineNr"> 99 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L100" class="LineNr">100 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L101" class="LineNr">101 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L102" class="LineNr">102 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 0</span> +<span id="L103" class="LineNr">103 </span> ] +<span id="L104" class="LineNr">104 </span>] +<span id="L105" class="LineNr">105 </span> +<span id="L106" class="LineNr">106 </span><span class="Comment"># swap two elements of an array</span> +<span id="L107" class="LineNr">107 </span><span class="Comment"># (contributed by Caleb Couch)</span> +<span id="L108" class="LineNr">108 </span><span class="muRecipe">def</span> swap array:&:@:num, index1:num, index2:num<span class="muRecipe"> -> </span>array:&:@:num [ +<span id="L109" class="LineNr">109 </span> <span class="Constant">local-scope</span> +<span id="L110" class="LineNr">110 </span> <span class="Constant">load-ingredients</span> +<span id="L111" class="LineNr">111 </span> object1:num <span class="Special"><-</span> index *array, index1 +<span id="L112" class="LineNr">112 </span> object2:num <span class="Special"><-</span> index *array, index2 +<span id="L113" class="LineNr">113 </span> *array <span class="Special"><-</span> put-index *array, index1, object2 +<span id="L114" class="LineNr">114 </span> *array <span class="Special"><-</span> put-index *array, index2, object1 +<span id="L115" class="LineNr">115 </span>] +<span id="L116" class="LineNr">116 </span> +<span id="L117" class="LineNr">117 </span><span class="muScenario">scenario</span> swap-works [ +<span id="L118" class="LineNr">118 </span> <span class="Constant">local-scope</span> +<span id="L119" class="LineNr">119 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 4</span> +<span id="L120" class="LineNr">120 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 4 3 2 1</span> +<span id="L121" class="LineNr">121 </span> run [ +<span id="L122" class="LineNr">122 </span> array <span class="Special"><-</span> swap array,<span class="Constant"> 0</span>,<span class="Constant"> 2</span> +<span id="L123" class="LineNr">123 </span> 10:num/<span class="Special">raw</span> <span class="Special"><-</span> index *array,<span class="Constant"> 0</span> +<span id="L124" class="LineNr">124 </span> 11:num/<span class="Special">raw</span> <span class="Special"><-</span> index *array,<span class="Constant"> 2</span> +<span id="L125" class="LineNr">125 </span> ] +<span id="L126" class="LineNr">126 </span> memory-should-contain [ +<span id="L127" class="LineNr">127 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L128" class="LineNr">128 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 4</span> +<span id="L129" class="LineNr">129 </span> ] +<span id="L130" class="LineNr">130 </span>] +<span id="L131" class="LineNr">131 </span> +<span id="L132" class="LineNr">132 </span><span class="Comment"># reverse the elements of an array</span> +<span id="L133" class="LineNr">133 </span><span class="Comment"># (contributed by Caleb Couch)</span> +<span id="L134" class="LineNr">134 </span><span class="muRecipe">def</span> reverse array:&:@:_elem<span class="muRecipe"> -> </span>array:&:@:_elem [ +<span id="L135" class="LineNr">135 </span> <span class="Constant">local-scope</span> +<span id="L136" class="LineNr">136 </span> <span class="Constant">load-ingredients</span> +<span id="L137" class="LineNr">137 </span> start:num <span class="Special"><-</span> copy<span class="Constant"> 0</span> +<span id="L138" class="LineNr">138 </span> length:num <span class="Special"><-</span> length *array +<span id="L139" class="LineNr">139 </span> end:num <span class="Special"><-</span> subtract length,<span class="Constant"> 1</span> +<span id="L140" class="LineNr">140 </span> <span class="Delimiter">{</span> +<span id="L141" class="LineNr">141 </span> done?:bool <span class="Special"><-</span> greater-or-equal start, end +<span id="L142" class="LineNr">142 </span> <span class="muControl">break-if</span> done? +<span id="L143" class="LineNr">143 </span> array <span class="Special"><-</span> swap array, start, end +<span id="L144" class="LineNr">144 </span> start <span class="Special"><-</span> add start,<span class="Constant"> 1</span> +<span id="L145" class="LineNr">145 </span> end <span class="Special"><-</span> subtract end,<span class="Constant"> 1</span> +<span id="L146" class="LineNr">146 </span> <span class="muControl">loop</span> +<span id="L147" class="LineNr">147 </span> <span class="Delimiter">}</span> +<span id="L148" class="LineNr">148 </span>] +<span id="L149" class="LineNr">149 </span> +<span id="L150" class="LineNr">150 </span><span class="muScenario">scenario</span> reverse-array-odd-length [ +<span id="L151" class="LineNr">151 </span> <span class="Constant">local-scope</span> +<span id="L152" class="LineNr">152 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 3</span> +<span id="L153" class="LineNr">153 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 3 2 1</span> +<span id="L154" class="LineNr">154 </span> run [ +<span id="L155" class="LineNr">155 </span> array <span class="Special"><-</span> reverse array +<span id="L156" class="LineNr">156 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array +<span id="L157" class="LineNr">157 </span> ] +<span id="L158" class="LineNr">158 </span> memory-should-contain [ +<span id="L159" class="LineNr">159 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L160" class="LineNr">160 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L161" class="LineNr">161 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L162" class="LineNr">162 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L163" class="LineNr">163 </span> ] +<span id="L164" class="LineNr">164 </span>] +<span id="L165" class="LineNr">165 </span> +<span id="L166" class="LineNr">166 </span><span class="muScenario">scenario</span> reverse-array-even-length [ +<span id="L167" class="LineNr">167 </span> <span class="Constant">local-scope</span> +<span id="L168" class="LineNr">168 </span> array:&:@:num <span class="Special"><-</span> new <span class="Constant">number:type</span>,<span class="Constant"> 4</span> +<span id="L169" class="LineNr">169 </span> array <span class="Special"><-</span> fill array,<span class="Constant"> 4 3 2 1</span> +<span id="L170" class="LineNr">170 </span> run [ +<span id="L171" class="LineNr">171 </span> array <span class="Special"><-</span> reverse array +<span id="L172" class="LineNr">172 </span> 10:@:num/<span class="Special">raw</span> <span class="Special"><-</span> copy *array +<span id="L173" class="LineNr">173 </span> ] +<span id="L174" class="LineNr">174 </span> memory-should-contain [ +<span id="L175" class="LineNr">175 </span> <span class="Constant"> 10</span> <span class="Special"><-</span><span class="Constant"> 4</span> +<span id="L176" class="LineNr">176 </span> <span class="Constant"> 11</span> <span class="Special"><-</span><span class="Constant"> 1</span> +<span id="L177" class="LineNr">177 </span> <span class="Constant"> 12</span> <span class="Special"><-</span><span class="Constant"> 2</span> +<span id="L178" class="LineNr">178 </span> <span class="Constant"> 13</span> <span class="Special"><-</span><span class="Constant"> 3</span> +<span id="L179" class="LineNr">179 </span> <span class="Constant"> 14</span> <span class="Special"><-</span><span class="Constant"> 4</span> +<span id="L180" class="LineNr">180 </span> ] +<span id="L181" class="LineNr">181 </span>] </pre> </body> </html> |