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Merge pull request #1017 from notriddle/patch-2 

Rename C-like enum to Field-less enum
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Steve Klabnik 2017-12-05 15:05:26 -05:00 committed by GitHub
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first-edition/src/casting-between-types.md
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@ -60,7 +60,7 @@ A cast `e as U` is valid if `e` has type `T` and `T` *coerces* to `U`.
A cast `e as U` is also valid in any of the following cases:
* `e` has type `T` and `T` and `U` are any numeric types; *numeric-cast*
* `e` is a C-like enum (with no data attached to the variants),
* `e` is an enum with no data attached to the variants (a "field-less enumeration"),
and `U` is an integer type; *enum-cast*
* `e` has type `bool` or `char` and `U` is an integer type; *prim-int-cast*
* `e` has type `u8` and `U` is `char`; *u8-char-cast*