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Diffstat (limited to 'doc/go_faq.html')
| -rw-r--r-- | doc/go_faq.html | 18 |
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diff --git a/doc/go_faq.html b/doc/go_faq.html index 953092f051..ef70033ace 100644 --- a/doc/go_faq.html +++ b/doc/go_faq.html @@ -598,6 +598,24 @@ the interface idea. Sometimes, though, they're necessary to resolve ambiguities among similar interfaces. </p> +<h3 id="convert_slice_of_interface"> +Can I convert a []T to an []interface{}?</h3> + +<p> +Not directly because they do not have the same representation in memory. +It is necessary to copy the elements individually to the destination +slice. This example converts a slice of <code>int</code> to a slice of +<code>interface{}</code>: +</p> + +<pre> +t := []int{1, 2, 3, 4} +s := make([]interface{}, len(t)) +for i, v := range t { + s[i] = v +} +</pre> + <h2 id="values">Values</h2> <h3 id="conversions"> |