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Clarify the type of variadic params with a comment

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This commit is contained in:
Eli Bendersky 2022-06-24 12:43:35 -07:00
parent c662818d23
commit f197dfc6e1
3 changed files with 21 additions and 4 deletions
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3
examples/variadic-functions/variadic-functions.go
View File

@ -12,6 +12,9 @@ import "fmt"
func sum(nums ...int) {
fmt.Print(nums, " ")
total := 0
// Within the function, the type of `nums` is
// equivalent to `[]int`. We can call `len(nums)`,
// iterate over it with `range`, etc.
for _, num := range nums {
total += num
}

4
examples/variadic-functions/variadic-functions.hash
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@ -1,2 +1,2 @@
dd2e819d49c1110c7eb7dc198b62e0994e0ba93e
7_-i75JEsmM
561184169a1b4c3d4970d496b282cc81016583d6
glNdE8aKPNq

18
public/variadic-functions generated
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@ -44,7 +44,7 @@ function.</p>
</td>
<td class="code leading">
<a href="https://go.dev/play/p/7_-i75JEsmM"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<a href="https://go.dev/play/p/glNdE8aKPNq"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<pre class="chroma"><span class="kn">package</span> <span class="nx">main</span>
</pre>
</td>
@ -73,6 +73,20 @@ of <code>int</code>s as arguments.</p>
<span class="kd">func</span> <span class="nf">sum</span><span class="p">(</span><span class="nx">nums</span> <span class="o">...</span><span class="kt">int</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Print</span><span class="p">(</span><span class="nx">nums</span><span class="p">,</span> <span class="s">&#34; &#34;</span><span class="p">)</span>
<span class="nx">total</span> <span class="o">:=</span> <span class="mi">0</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>Within the function, the type of <code>nums</code> is
equivalent to <code>[]int</code>. We can call <code>len(nums)</code>,
iterate over it with <code>range</code>, etc.</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="k">for</span> <span class="nx">_</span><span class="p">,</span> <span class="nx">num</span> <span class="o">:=</span> <span class="k">range</span> <span class="nx">nums</span> <span class="p">{</span>
<span class="nx">total</span> <span class="o">+=</span> <span class="nx">num</span>
<span class="p">}</span>
@ -169,7 +183,7 @@ to form closures, which we&rsquo;ll look at next.</p>
</div>
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