src/lib.rs

@@ -12,6 +12,12 @@
 // You should have received a copy of the GNU General Public License along with
 // insta-image. If not, see <https://www.gnu.org/licenses/>.
 
+//! `insta-image` provides macros for making assertions against image snapshots
+//! with [insta](https://insta.rs).
+//!
+//! Image formats are feature-guarded. See their respective submodules for
+//! further documentation.
+
 #[cfg(feature = "png")]
 mod png;