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Auto merge of #85601 - klensy:padint-example-fix, r=dtolnay

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fix pad_integral example

pad_integral's parameter `is_nonnegative - whether the original integer was either positive or zero`, but in example it checked as `self.nb > 0`, so it previously printed `-0` for `format!("{}", Foo::new(0)`, what is wrong.
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bors 2021-05-24 10:02:55 +00:00
commit 6f6919231e
1 changed files with 2 additions and 1 deletions
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library/core/src/fmt/mod.rs
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@ -1245,12 +1245,13 @@ impl<'a> Formatter<'a> {
/// // We need to remove "-" from the number output.
/// let tmp = self.nb.abs().to_string();
///
/// formatter.pad_integral(self.nb > 0, "Foo ", &tmp)
/// formatter.pad_integral(self.nb >= 0, "Foo ", &tmp)
/// }
/// }
///
/// assert_eq!(&format!("{}", Foo::new(2)), "2");
/// assert_eq!(&format!("{}", Foo::new(-1)), "-1");
/// assert_eq!(&format!("{}", Foo::new(0)), "0");
/// assert_eq!(&format!("{:#}", Foo::new(-1)), "-Foo 1");
/// assert_eq!(&format!("{:0>#8}", Foo::new(-1)), "00-Foo 1");
/// ```