Add 'warn(missing_docs)'

Author: popzxc

src/lib.rs

@@ -124,6 +124,8 @@
 //!   }
 //!   ```
 
+#![warn(missing_docs, unreachable_pub)]
+
 pub mod duration;
 #[macro_use]
 pub mod macros;

src/macros.rs

@@ -1,3 +1,5 @@
+//! Various helper macros.
+
 /// `compile_warning` macro is a brother of [`std::compile_error`],
 /// which emits a compile-time warning with a provided message.
 ///

src/num/integer.rs

@@ -45,8 +45,11 @@ pub trait Integer:
     + MulAssign
     + Copy
 {
+    /// The smallest value that can be represented by this integer type.
     const MIN: Self;
+    /// The largest value that can be represented by this integer type.
     const MAX: Self;
+    /// The size of this integer type in bits.
     const BITS: u32;
 
     /// See [`u128::from_str_radix`].