Add missing word

This commit is contained in:
Mark McGranaghan 2015-01-10 14:55:49 -08:00
parent 310c3f641d
commit 7f27da9e7a
3 changed files with 10 additions and 11 deletions

View File

@ -37,8 +37,9 @@ func main() {
// value from a map indicates if the key was present // value from a map indicates if the key was present
// in the map. This can be used to disambiguate // in the map. This can be used to disambiguate
// between missing keys and keys with zero values // between missing keys and keys with zero values
// like `0` or `""`. Here we didn't the value itself, so // like `0` or `""`. Here we didn't need the value
// we ignored it with the _blank identifier_ `_`. // itself, so we ignored it with the _blank identifier_
// `_`.
_, prs := m["k2"] _, prs := m["k2"]
fmt.Println("prs:", prs) fmt.Println("prs:", prs)

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@ -1,2 +1,2 @@
ee96724fc32ee253ba2a5390d66d6880d7fdd28f 2895d63b87f88ab374256c12dd1539cf7b070b77
Z2ORjMdW_u E6cGoiKqka

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@ -40,7 +40,7 @@
</td> </td>
<td class="code leading"> <td class="code leading">
<a href="http://play.golang.org/p/Z2ORjMdW_u"><img title="Run code" src="play.png" class="run" /></a> <a href="http://play.golang.org/p/E6cGoiKqka"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span> <div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div> </pre></div>
@ -159,15 +159,13 @@ a map.</p>
<tr> <tr>
<td class="docs"> <td class="docs">
<p> Above we didn&rsquo;t <p>The optional second return value when getting a
need the index, so we ignored it with the
<em>blank identifier</em> <code>_</code>.
The optional second return value when getting a
value from a map indicates if the key was present value from a map indicates if the key was present
in the map. This can be used to disambiguate in the map. This can be used to disambiguate
between missing keys and keys with zero values between missing keys and keys with zero values
like <code>0</code> or <code>&quot;&quot;</code>. Here we didn&rsquo;t the value itself, so like <code>0</code> or <code>&quot;&quot;</code>. Here we didn&rsquo;t need the value
we ignored it with the <em>blank identifier</em> <code>_</code>.</p> itself, so we ignored it with the <em>blank identifier</em>
<code>_</code>.</p>
</td> </td>
<td class="code leading"> <td class="code leading">