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add description in strings for optional records

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Luke Boswell 2023-02-10 10:40:28 +11:00
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1 changed files with 7 additions and 2 deletions
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www/generate_tutorial/src/input/tutorial.md
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@ -404,7 +404,13 @@ Roc supports optional record fields using the `?` operator. This can be a useful
In Roc you can write a function like:
<pre><samp>table <span class="kw">=</span> <span class="kw">\</span><span class="paren">{</span> height, width, title<span class="colon">?</span> "", description<span class="colon">?</span> "" <span class="paren">}</span> <span class="kw">-></span>
<pre><samp>table <span class="kw">=</span> <span class="kw">\</span><span class="paren">{</span>
height,
width,
title<span class="colon">?</span> "oak",
description<span class="colon">?</span> "a wooden table" <span class="paren">
}</span>
<span class="kw">-></span>
</pre></samp>
This is using *optional field destructuring* to destructure a record while
@ -420,7 +426,6 @@ Here's the type of `table`:
description<span class="colon">?</span> Str,
<span class="paren">}</span>
<span class="kw">-></span> Table
table <span class="kw">= \</span><span class="paren">{</span> height, width, title<span class="colon">?</span> "", description<span class="colon">?</span> "" } <span class="kw">-></span>
</pre></samp>
This says that `table` takes a record with two *required* fields, `height` and