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New tut-page: hash-map get operation #25

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3 changes: 3 additions & 0 deletions resources/public/javascript/tryclojure.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,9 @@ var pages = [
{
verify: function (data) { return data.expr == "(map inc [1 2 3 4])"; }
},
{
verify: function (data) { return data.expr == "(:zar h \"not found\")"; }
},
{
verify: function (data) { return false; }
}
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23 changes: 17 additions & 6 deletions resources/public/tutorial/page11.html
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@@ -1,8 +1,19 @@
<p>Excellent work.</p>

<p>
Well, that's all there is right now. This tutorial is still a work in progress, and I'm working on more
steps. If anybody wants to contribute, you can find a link to the Github repository on the 'about' page.
Furthermore, if you're just a brand new Clojure developer looking for some learning experiences, check
out the 'links' page. You'll find links to some tutorials and such there.
Let's define a hash-map as we seen earlier:<br/>
<code class="expr">(def h {:foo "buu" :bar "bazz"})</code>
</p>
<p>
Now try some of this magic:<br/>
<code class="expr">(:bar h "not found")</code>
</p>
<p>
This is actually a convenient version of <code class="expr">(get h :bar "not found")</code> and it
says:
</p>
<p>
"Give me the value associated with the key <code class="expr">:bar</code> if it exists in the map,
or else the string <code class="expr">"not found"</code>".
</p>
<p>
Try <code class="expr">(:zar h "not found")</code> to continue.
</p>
8 changes: 8 additions & 0 deletions resources/public/tutorial/page12.html
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@@ -0,0 +1,8 @@
<p>Excellent work.</p>

<p>
Well, that's all there is right now. This tutorial is still a work in progress, and I'm working on more
steps. If anybody wants to contribute, you can find a link to the Github repository on the 'about' page.
Furthermore, if you're just a brand new Clojure developer looking for some learning experiences, check
out the 'links' page. You'll find links to some tutorials and such there.
</p>