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Add description of features to README

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John Gallagher 2015-12-12 16:04:11 -05:00
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@ -56,6 +56,20 @@ fn main() {
} }
``` ```
### Optional Features
Rusqlite provides several features that are behind [Cargo
features](http://doc.crates.io/manifest.html#the-features-section). They are:
* [`load_extension`](http://jgallagher.github.io/rusqlite/rusqlite/struct.LoadExtensionGuard.html)
allows loading dynamic library-based SQLite extensions.
* [`backup`](http://jgallagher.github.io/rusqlite/rusqlite/backup/index.html)
allows use of SQLite's online backup API.
* [`functions`](http://jgallagher.github.io/rusqlite/rusqlite/functions/index.html)
allows you to load Rust closures into SQLite connections for use in queries.
* [`trace`](http://jgallagher.github.io/rusqlite/rusqlite/trace/index.html)
allows hooks into SQLite's tracing and profiling APIs.
### Design of Rows and Row ### Design of Rows and Row
To retrieve the result rows from a query, SQLite requires you to call To retrieve the result rows from a query, SQLite requires you to call