Write documentation for `iced_core`

1 files changed, 20 insertions, 4 deletions

diff --git a/core/src/lib.rs b/core/src/lib.rs
index 3816f8a2..692e40d4 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -1,10 +1,22 @@
+//! The core library of [Iced].
+//!
+//! This library holds basic types that can be reused and re-exported in
+//! different runtime implementations. For instance, both [`iced_native`] and
+//! [`iced_web`] are built on top of `iced_core`.
+//!
+//! [Iced]: https://github.com/hecrj/iced
+//! [`iced_native`]: https://github.com/hecrj/iced/tree/master/native
+//! [`iced_web`]: https://github.com/hecrj/iced/tree/master/web
+#![deny(missing_docs)]
+#![deny(missing_debug_implementations)]
+#![deny(unused_results)]
+#![deny(unsafe_code)]
+#![deny(rust_2018_idioms)]
 pub mod widget;
 
 mod align;
 mod background;
 mod color;
-#[cfg(feature = "command")]
-mod command;
 mod font;
 mod length;
 mod point;
@@ -14,11 +26,15 @@ mod vector;
 pub use align::Align;
 pub use background::Background;
 pub use color::Color;
-#[cfg(feature = "command")]
-pub use command::Command;
 pub use font::Font;
 pub use length::Length;
 pub use point::Point;
 pub use rectangle::Rectangle;
 pub use vector::Vector;
 pub use widget::*;
+
+#[cfg(feature = "command")]
+mod command;
+
+#[cfg(feature = "command")]
+pub use command::Command;