Write missing docs for user_interface module

glow/src/lib.rs

@@ -7,7 +7,7 @@
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/iced-rs/iced/9ab6923e943f784985e9ef9ca28b10278297225d/docs/logo.svg"
 )]
-//#![deny(missing_docs)]
+#![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
 #![deny(unused_results)]
 #![forbid(rust_2018_idioms)]

native/src/lib.rs

@@ -31,7 +31,7 @@
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/iced-rs/iced/9ab6923e943f784985e9ef9ca28b10278297225d/docs/logo.svg"
 )]
-//#![deny(missing_docs)]
+#![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
 #![deny(unused_results)]
 #![forbid(unsafe_code)]

native/src/user_interface.rs

@@ -1,3 +1,4 @@
+//! Implement your own event loop to drive a user interface.
 use crate::event::{self, Event};
 use crate::layout;
 use crate::mouse;
@@ -568,8 +569,13 @@ impl Default for Cache {
     }
 }
 
+/// The resulting state after updating a [`UserInterface`].
 #[derive(Debug, Clone, Copy)]
 pub enum State {
+    /// The [`UserInterface`] is outdated and needs to be rebuilt.
     Outdated,
+
+    /// The [`UserInterface`] is up-to-date and can be reused without
+    /// rebuilding.
     Updated,
 }

wgpu/src/lib.rs

@@ -23,7 +23,7 @@
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/iced-rs/iced/9ab6923e943f784985e9ef9ca28b10278297225d/docs/logo.svg"
 )]
-//#![deny(missing_docs)]
+#![deny(missing_docs)]
 #![deny(missing_debug_implementations)]
 #![deny(unused_results)]
 #![deny(unsafe_code)]