use std::fmt::Write;
declare_clippy_lint! {
- /// **What it does:** Checks for uses of `contains_key` + `insert` on `HashMap`
+ /// ### What it does
+ /// Checks for uses of `contains_key` + `insert` on `HashMap`
/// or `BTreeMap`.
///
- /// **Why is this bad?** Using `entry` is more efficient.
+ /// ### Why is this bad?
+ /// Using `entry` is more efficient.
///
- /// **Known problems:** The suggestion may have type inference errors in some cases. e.g.
+ /// ### Known problems
+ /// The suggestion may have type inference errors in some cases. e.g.
/// ```rust
/// let mut map = std::collections::HashMap::new();
/// let _ = if !map.contains_key(&0) {
/// };
/// ```
///
- /// **Example:**
+ /// ### Example
/// ```rust
/// # use std::collections::HashMap;
/// # let mut map = HashMap::new();