Added blank identifier explanation to maps

2015-01-06 21:22:07 -08:00 · 2015-01-06 21:22:07 -08:00 · cb34420198
commit cb34420198
parent 75f7fb9039
1 changed files with 4 additions and 1 deletions
--- a/public/maps
+++ b/public/maps
@ -159,7 +159,10 @@ a map.</p>
        
        <tr>
          <td class="docs">
-            <p>The optional second return value when getting a
+            <p> Above we didn&rsquo;t
+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
 in the map. This can be used to disambiguate
 between missing keys and keys with zero values