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Add doctest

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Maurits van Riezen 2022-09-07 16:36:32 +02:00 committed by GitHub
parent 1dac6da408
commit 0a9b49c794
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library/core/src/fmt/mod.rs
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@ -1827,6 +1827,7 @@ impl<'a> Formatter<'a> {
/// }
///
/// assert_eq!(&format!("{:+}", Foo(23)), "Foo(+23)");
/// assert_eq!(&format!("{:+}", Foo(-32)), "Foo(-23)");
/// assert_eq!(&format!("{}", Foo(23)), "Foo(23)");
/// ```
#[must_use]