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| author | Ralf Jung <post@ralfj.de> | 2019-10-17 23:00:46 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2019-10-17 23:02:09 +0200 |
| commit | c0b7e769a0f76a76fc5d239d886e5b8a69648b10 (patch) | |
| tree | c50726fb89ac3b8d93dffb71c86de718882dc987 /src/liballoc | |
| parent | 4e6efe48110a5e09ee87b0aa8cea31d511bb5708 (diff) | |
| download | rust-c0b7e769a0f76a76fc5d239d886e5b8a69648b10.tar.gz rust-c0b7e769a0f76a76fc5d239d886e5b8a69648b10.zip | |
example for padding any format
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/fmt.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/liballoc/fmt.rs b/src/liballoc/fmt.rs index 4d3523da7fc..cbfc55233a1 100644 --- a/src/liballoc/fmt.rs +++ b/src/liballoc/fmt.rs @@ -136,8 +136,12 @@ //! //! 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. +//! padding is applied is to format your input, then pad this resulting string +//! to obtain your output: +//! +//! ``` +//! println!("Hello {:^15}!", format!("{:?}", Some("hi"))); // => "Hello Some("hi") !" +//! ``` //! //! ## Sign/`#`/`0` //! |