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Touch up Debug example from PR 92322

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David Tolnay 2022-01-04 14:25:20 -08:00
parent 1773e8318f
commit 4df1a5561a
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1 changed files with 7 additions and 3 deletions
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10
library/core/src/fmt/mod.rs
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@ -572,16 +572,20 @@ impl Display for Arguments<'_> {
///
/// [`debug_struct`]: Formatter::debug_struct
///
/// For custom cases, it's also possible to implement `Debug` using the [`write!`] macro:
/// Types that do not wish to use the standard suite of debug representations
/// provided by the `Formatter` trait (`debug_struct`, `debug_tuple`,
/// `debut_list`, `debug_set`, `debug_map`) can do something totally custom by
/// manually writing an arbitrary representation to the `Formatter`.
///
/// ```
/// # use std::fmt;
/// # struct Point {
/// # x: i32,
/// # y: i32,
/// # }
///
/// #
/// impl fmt::Debug for Point {
/// fn fmt(&self, f: &mut fmt::Formatter <'_>) -> fmt::Result {
/// fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
/// write!(f, "Point [{} {}]", self.x, self.y)
/// }
/// }