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Rollup merge of #59933 - sourcefrog:doc-fmt, r=shepmaster

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Make clear that format padding doesn't work for Debug

As mentioned in
https://github.com/rust-lang/rust/issues/46006#issuecomment-345260633
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Mazdak Farrokhzad 2019-04-19 06:03:10 +02:00 committed by GitHub
commit 7f450bd3ca
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1 changed files with 4 additions and 3 deletions
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7
src/liballoc/fmt.rs
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@ -343,9 +343,10 @@
//! * `^` - the argument is center-aligned in `width` columns
//! * `>` - the argument is right-aligned in `width` columns
//!
//! Note that alignment may not be implemented by some types. A good way
//! to ensure padding is applied is to format your input, then use this
//! resulting string to pad your output.
//! Note that alignment may not be implemented by some types. In particular, it
//! is not generally implemented for the `Debug` trait. A good way to ensure
//! padding is applied is to format your input, then use this resulting string
//! to pad your output.
//!
//! ## Sign/`#`/`0`
//!