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Rollup merge of #25602 - parkr:patch-1, r=alexcrichton

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Padding and alignment are often not implemented by types and can cause confusion in the user.  Per discussion with @alexcrichton, here is my PR.

/cc https://github.com/rust-lang/time/issues/98
This commit is contained in:
Steve Klabnik 2015-05-19 18:38:53 -04:00
commit 6fc93b85bc
1 changed files with 4 additions and 0 deletions
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4
src/libcollections/fmt.rs
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@ -353,6 +353,10 @@
//! * `^` - 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.
//!
//! ## Sign/#/0
//!
//! These can all be interpreted as flags for a particular formatter.