update page

Author: nadia-polikarpova

docs/lectures/05-closure.html

@@ -379,6 +379,7 @@ <h2 id="quiz">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dt">Binop</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dt">Binop</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Value</span></code></p>
 <p><br></p>
+<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -456,6 +457,7 @@ <h2 id="quiz-1">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">1</span></code></p>
 <p><strong>(C)</strong> Runtime error</p>
 <p><br></p>
+<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -501,6 +503,7 @@ <h2 id="quiz-2">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">1</span></code></p>
 <p><strong>(C)</strong> Runtime error</p>
 <p><br></p>
+<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -671,6 +674,7 @@ <h2 id="quiz-3">QUIZ</h2>
 <p><strong>(D)</strong> Error: unbound variable <code class="sourceCode haskell">x</code></p>
 <p><strong>(E)</strong> Error: unbound variable <code class="sourceCode haskell">y</code></p>
 <p><br></p>
+<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -690,6 +694,7 @@ <h2 id="quiz-4">QUIZ</h2>
 <p><strong>(D)</strong> Error: unbound variable <code class="sourceCode haskell">x</code></p>
 <p><strong>(E)</strong> Error: unbound variable <code class="sourceCode haskell">y</code></p>
 <p><br></p>
+<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -712,6 +717,7 @@ <h2 id="quiz-5">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">2</span></code></p>
 <p><strong>(E)</strong> Error: multiple definitions of <code class="sourceCode haskell">x</code></p>
 <p><br></p>
+<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -853,6 +859,7 @@ <h2 id="quiz-6">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">10</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><br></p>
+<p><em>Answer:</em> E</p>
 <p><br>
 <br>
 <br>
@@ -933,6 +940,7 @@ <h2 id="rethinking-our-values">Rethinking our values</h2>
 <span id="cb37-6"><a href="#cb37-6" aria-hidden="true" tabindex="-1"></a><span class="kw">let</span> f <span class="ot">=</span> \x y <span class="ot">-&gt;</span> x <span class="op">+</span> y <span class="kw">in</span></span>
 <span id="cb37-7"><a href="#cb37-7" aria-hidden="true" tabindex="-1"></a>f <span class="dv">1</span></span>
 <span id="cb37-8"><a href="#cb37-8" aria-hidden="true" tabindex="-1"></a><span class="op">==&gt;</span> <span class="op">???</span></span></code></pre></div>
+<p>Conceptually, they both evaluate to a function that increments its argument</p>
 <p><br>
 <br>
 <br>
@@ -1076,6 +1084,7 @@ <h2 id="quiz-7">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">10</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><br></p>
+<p><em>Answer:</em> E</p>
 <p><br>
 <br>
 <br>
@@ -1097,6 +1106,7 @@ <h2 id="quiz-8">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><strong>(C)</strong> <code class="sourceCode haskell"><span class="dv">110</span></code></p>
 <p><br></p>
+<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -1218,6 +1228,7 @@ <h2 id="quiz-9">QUIZ</h2>
 <p><strong>(B)</strong> Dynamic</p>
 <p><strong>(C)</strong> Neither</p>
 <p><br></p>
+<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -1424,6 +1435,7 @@ <h2 id="quiz-10">QUIZ</h2>
 <p><strong>(C)</strong> 1120</p>
 <p><strong>(D)</strong> 1111</p>
 <p><br></p>
+<p><em>Answer:</em> D</p>
 <p><br>
 <br>
 <br>
@@ -1472,6 +1484,7 @@ <h2 id="quiz-11">QUIZ</h2>
 <p><strong>(B)</strong> 11</p>
 <p><strong>(C)</strong> 12</p>
 <p><br></p>
+<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -1515,6 +1528,7 @@ <h2 id="quiz-12">QUIZ</h2>
 <p><strong>(B)</strong> Evaluation does not terminate</p>
 <p><strong>(C)</strong> Error: unbound variable <code class="sourceCode haskell">f</code></p>
 <p><br></p>
+<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>

docs/lectures/06-parsing.html

@@ -530,8 +530,6 @@ <h2 id="running-the-lexer">Running the Lexer</h2>
 <span id="cb13-3"><a href="#cb13-3" aria-hidden="true" tabindex="-1"></a>      , <span class="dt">PLUS</span> (<span class="dt">AlexPosn</span> <span class="dv">3</span> <span class="dv">1</span> <span class="dv">4</span>)</span>
 <span id="cb13-4"><a href="#cb13-4" aria-hidden="true" tabindex="-1"></a>      , <span class="dt">NUM</span> (<span class="dt">AlexPosn</span> <span class="dv">5</span> <span class="dv">1</span> <span class="dv">6</span>) <span class="dv">4</span></span>
 <span id="cb13-5"><a href="#cb13-5" aria-hidden="true" tabindex="-1"></a>      ]      </span></code></pre></div>
-<div class="sourceCode" id="cb14"><pre class="sourceCode haskell"><code class="sourceCode haskell"><span id="cb14-1"><a href="#cb14-1" aria-hidden="true" tabindex="-1"></a>λ<span class="op">&gt;</span> parseTokens <span class="st">&quot;%&quot;</span></span>
-<span id="cb14-2"><a href="#cb14-2" aria-hidden="true" tabindex="-1"></a><span class="dt">Left</span> <span class="st">&quot;lexical error at 1 line, 1 column&quot;</span></span></code></pre></div>
 <p><br>
 <br>
 <br>
@@ -547,6 +545,17 @@ <h2 id="quiz">QUIZ</h2>
 <p><br>
 <br>
 <br>
+<br></p>
+<p>Give an example of a string that would result in lexical error</p>
+<p><br>
+<br>
+<br>
+<br></p>
+<div class="sourceCode" id="cb14"><pre class="sourceCode haskell"><code class="sourceCode haskell"><span id="cb14-1"><a href="#cb14-1" aria-hidden="true" tabindex="-1"></a>λ<span class="op">&gt;</span> parseTokens <span class="st">&quot;%&quot;</span></span>
+<span id="cb14-2"><a href="#cb14-2" aria-hidden="true" tabindex="-1"></a><span class="dt">Left</span> <span class="st">&quot;lexical error at 1 line, 1 column&quot;</span></span></code></pre></div>
+<p><br>
+<br>
+<br>
 <br>
 <br>
 <br>

lectures/06-parsing.md

@@ -396,11 +396,6 @@ Right [ NUM (AlexPosn 0 1 1) 23
       ]      
 ```
 
-```haskell
-λ> parseTokens "%"
-Left "lexical error at 1 line, 1 column"
-```
-
 <br>
 <br>
 <br>
@@ -425,6 +420,24 @@ What is the result of `parseTokens "x+"`
 
     *Answer:* D
 
+<br>
+<br>
+<br>
+<br>
+
+Give an example of a string that would result in lexical error
+
+<br>
+<br>
+<br>
+<br>
+
+
+```haskell
+λ> parseTokens "%"
+Left "lexical error at 1 line, 1 column"
+```
+
 <br>
 <br>
 <br>

site.hs

@@ -54,7 +54,7 @@ main = hakyll $ do
   match "lectures/02-*"    $ crunchWithCtxCustom "final" postCtx
   match "lectures/03-*"    $ crunchWithCtxCustom "final" postCtx
   match "lectures/04-*"    $ crunchWithCtxCustom "final" postCtx
-  match "lectures/05-*"    $ crunchWithCtxCustom "lecture" postCtx
+  match "lectures/05-*"    $ crunchWithCtxCustom "final" postCtx
   match "lectures/06-*"    $ crunchWithCtxCustom "lecture" postCtx
   match "lectures/07-*"    $ crunchWithCtxCustom "lecture" postCtx
   match "lectures/08-*"    $ crunchWithCtxCustom "lecture" postCtx