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rollup merge of #22094: alkor/cleanup-show-string

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Rename several remaining `Show`s to Debug, `String`s to Display (mostly in comments and docs).
Update reference.md:
 - derive() no longer supports Zero trait
 - derive() now supports Copy trait
This commit is contained in:
Alex Crichton 2015-02-10 08:42:45 -08:00
commit 7e378edb39
8 changed files with 12 additions and 13 deletions
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src/doc/reference.md
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@ -2356,8 +2356,8 @@ Supported traits for `derive` are:
* `FromPrimitive`, to create an instance from a numeric primitive.
* `Hash`, to iterate over the bytes in a data type.
* `Rand`, to create a random instance of a data type.
* `Show`, to format a value using the `{}` formatter.
* `Zero`, to create a zero instance of a numeric data type.
* `Debug`, to format a value using the `{:?}` formatter.
* `Copy`, for "Plain Old Data" types which can be copied by simply moving bits.
### Compiler Features