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Merge pull request #21738 from cllns/remove-to_s-from-example

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[Engines Guide] Remove to_s example, since it's outside the scope
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Eileen M. Uchitelle 2015-09-25 12:24:51 -04:00
commit 3c52b2000c
1 changed files with 1 additions and 19 deletions
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guides/source/engines.md
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@ -843,28 +843,10 @@ above the "Title" output inside `app/views/blorgh/articles/show.html.erb`:
```html+erb
<p>
<b>Author:</b>
<%= @article.author %>
<%= @article.author.name %>
</p>
```
By outputting `@article.author` using the `<%=` tag, the `to_s` method will be
called on the object. By default, this will look quite ugly:
```
#<User:0x00000100ccb3b0>
```
This is undesirable. It would be much better to have the user's name there. To
do this, add a `to_s` method to the `User` class within the application:
```ruby
def to_s
name
end
```
Now instead of the ugly Ruby object output, the author's name will be displayed.
#### Using a Controller Provided by the Application
Because Rails controllers generally share code for things like authentication