This plugin provides code completion for the Rust programming language.
Once you have enabled the Rust code completion item in the plugin page, a new page will appear in your Kate configuration dialog.
Edit the command to run Racer, an utility intended to provide Rust code completion for editors.
You also need the Rust source code and have to provide the path to the source tree.
While typing code a popup list appears with items for completion:
In addition to code completion popups, the plugin also installs a action in the menu and in the context menu. You can configure a keyboard shortcut for it as well.
This action will open the document containing the definition if needed, activate its view and place the cursor at the start of the definition.