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Fix to_digit_is_some documentation

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This commit is contained in:
Michael Wright 2019-11-10 17:55:25 +02:00
parent a9b5b36769
commit 9aefae4226
1 changed files with 8 additions and 6 deletions
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14
clippy_lints/src/to_digit_is_some.rs
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@ -7,20 +7,22 @@ use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability;
declare_clippy_lint! {
/// **What it does:** Checks for `.to_digit().is_some()` on `char`s.
/// **What it does:** Checks for `.to_digit(..).is_some()` on `char`s.
///
/// **Why is this bad?** This is a convoluted way of checking if a `char` is a digit. It's
/// more straight forward use the dedicated `is_digit` method.
/// more straight forward to use the dedicated `is_digit` method.
///
/// **Example:**
/// ```rust
/// # let x: char = 'x'
/// let is_digit = x.to_digit().is_some();
/// # let c = 'c';
/// # let radix = 10;
/// let is_digit = c.to_digit(10).is_some();
/// ```
/// can be written as:
/// ```
/// # let x: char = 'x'
/// let is_digit = x.is_digit();
/// # let c = 'c';
/// # let radix = 10;
/// let is_digit = c.is_digit(radix);
/// ```
pub TO_DIGIT_IS_SOME,
style,