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Rollup merge of #25052 - jooert:misc_attr_reference, r=steveklabnik

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Unsafe destructors were removed, added remarks about needed feature gates.

cc #16676 
r? @steveklabnik
This commit is contained in:
Steve Klabnik 2015-05-07 12:21:02 +02:00
commit 76bbb3237c
1 changed files with 4 additions and 5 deletions
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src/doc/reference.md
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@ -1867,13 +1867,12 @@ macro scope.
lower to the target's SIMD instructions, if any; the `simd` feature gate
is necessary to use this attribute.
- `static_assert` - on statics whose type is `bool`, terminates compilation
with an error if it is not initialized to `true`.
- `unsafe_destructor` - allow implementations of the "drop" language item
where the type it is implemented for does not implement the "send" language
item; the `unsafe_destructor` feature gate is needed to use this attribute
with an error if it is not initialized to `true`. To use this, the `static_assert`
feature gate must be enabled.
- `unsafe_no_drop_flag` - on structs, remove the flag that prevents
destructors from being run twice. Destructors might be run multiple times on
the same object with this attribute.
the same object with this attribute. To use this, the `unsafe_no_drop_flag` feature
gate must be enabled.
- `doc` - Doc comments such as `/// foo` are equivalent to `#[doc = "foo"]`.
- `rustc_on_unimplemented` - Write a custom note to be shown along with the error
when the trait is found to be unimplemented on a type.