use clippy_utils::{comparisons, sext};
declare_clippy_lint! {
- /// **What it does:** Checks for comparisons where the relation is always either
+ /// ### What it does
+ /// Checks for comparisons where the relation is always either
/// true or false, but where one side has been upcast so that the comparison is
/// necessary. Only integer types are checked.
///
- /// **Why is this bad?** An expression like `let x : u8 = ...; (x as u32) > 300`
+ /// ### Why is this bad?
+ /// An expression like `let x : u8 = ...; (x as u32) > 300`
/// will mistakenly imply that it is possible for `x` to be outside the range of
/// `u8`.
///
- /// **Known problems:**
+ /// ### Known problems
/// https://github.com/rust-lang/rust-clippy/issues/886
///
- /// **Example:**
+ /// ### Example
/// ```rust
/// let x: u8 = 1;
/// (x as u32) > 300;