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Merge #10247

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10247: fix: Don't highlight unsafe traits as unsafe in safe impls r=Veykril a=Veykril

bors r+

Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
This commit is contained in:
bors[bot] 2021-09-15 14:29:55 +00:00 committed by GitHub
commit 67706cdbe0
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 44 additions and 56 deletions
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4
crates/ide/src/syntax_highlighting/highlight.rs
View file

@ -286,7 +286,9 @@ fn highlight_name_ref(
Definition::ModuleDef(hir::ModuleDef::Trait(trait_))
if trait_.is_unsafe(db) =>
{
if ast::Impl::for_trait_name_ref(&name_ref).is_some() {
if ast::Impl::for_trait_name_ref(&name_ref)
.map_or(false, |impl_| impl_.unsafe_token().is_some())
{
h |= HlMod::Unsafe;
}
}

3
crates/ide/src/syntax_highlighting/html.rs
View file

@ -69,6 +69,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -85,7 +87,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/highlight_extern_crate.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

28
crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,31 +35,25 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }
.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }
</style>
<pre><code><span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<pre><code><span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">MUT_GLOBAL</span><span class="colon">:</span> <span class="struct">Struct</span> <span class="operator">=</span> <span class="struct">Struct</span> <span class="brace">{</span> <span class="field">field</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="keyword">static</span> <span class="static declaration">GLOBAL</span><span class="colon">:</span> <span class="struct">Struct</span> <span class="operator">=</span> <span class="struct">Struct</span> <span class="brace">{</span> <span class="field">field</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration unsafe">unsafe_fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">union</span> <span class="union declaration">Union</span> <span class="brace">{</span>
<span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u32</span><span class="comma">,</span>
<span class="field declaration">b</span><span class="colon">:</span> <span class="builtin_type">f32</span><span class="comma">,</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span>
<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span>
<span class="keyword">struct</span> <span class="struct declaration">Struct</span> <span class="brace">{</span> <span class="field declaration">field</span><span class="colon">:</span> <span class="builtin_type">i32</span> <span class="brace">}</span>
<span class="keyword">impl</span> <span class="struct">Struct</span> <span class="brace">{</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function associated declaration reference unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration reference">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="brace">}</span>
<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span>
<span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u8</span>
<span class="brace">}</span>
<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">global_mut</span><span class="colon">:</span> <span class="struct">TypeForStaticMut</span> <span class="operator">=</span> <span class="struct">TypeForStaticMut</span> <span class="brace">{</span> <span class="field">a</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>
<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="builtin_attr attribute">repr</span><span class="parenthesis attribute">(</span><span class="none attribute">packed</span><span class="parenthesis attribute">)</span><span class="attribute attribute">]</span>
<span class="keyword">struct</span> <span class="struct declaration">Packed</span> <span class="brace">{</span>
<span class="field declaration">a</span><span class="colon">:</span> <span class="builtin_type">u16</span><span class="comma">,</span>
@ -65,8 +61,9 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword unsafe">unsafe</span> <span class="keyword">trait</span> <span class="trait declaration unsafe">UnsafeTrait</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">impl</span> <span class="trait unsafe">UnsafeTrait</span> <span class="keyword">for</span> <span class="struct">Packed</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">impl</span> <span class="punctuation">!</span><span class="trait">UnsafeTrait</span> <span class="keyword">for</span> <span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">require_unsafe_trait</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="colon">:</span> <span class="trait">UnsafeTrait</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="type_param">T</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">unsafe_trait_bound</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="colon">:</span> <span class="trait">UnsafeTrait</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="type_param">T</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span>
<span class="keyword">fn</span> <span class="function associated declaration reference trait">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration reference">self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
@ -87,13 +84,14 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="union">Union</span> <span class="brace">{</span> <span class="field unsafe">b</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span> <span class="operator">=&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
<span class="union">Union</span> <span class="brace">{</span> <span class="field unsafe">a</span> <span class="brace">}</span> <span class="operator">=&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
<span class="brace">}</span>
<span class="struct">HasUnsafeFn</span><span class="operator">.</span><span class="function associated reference unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="struct">Struct</span> <span class="brace">{</span> <span class="field">field</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="operator">.</span><span class="function associated reference unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// unsafe deref</span>
<span class="keyword">let</span> <span class="variable declaration">y</span> <span class="operator">=</span> <span class="operator unsafe">*</span><span class="variable">x</span><span class="semicolon">;</span>
<span class="operator unsafe">*</span><span class="variable">x</span><span class="semicolon">;</span>
<span class="comment">// unsafe access to a static mut</span>
<span class="keyword">let</span> <span class="variable declaration">a</span> <span class="operator">=</span> <span class="static mutable unsafe">global_mut</span><span class="operator">.</span><span class="field">a</span><span class="semicolon">;</span>
<span class="static mutable unsafe">MUT_GLOBAL</span><span class="operator">.</span><span class="field">field</span><span class="semicolon">;</span>
<span class="static">GLOBAL</span><span class="operator">.</span><span class="field">field</span><span class="semicolon">;</span>
<span class="comment">// unsafe ref of packed fields</span>
<span class="keyword">let</span> <span class="variable declaration">packed</span> <span class="operator">=</span> <span class="struct">Packed</span> <span class="brace">{</span> <span class="field">a</span><span class="colon">:</span> <span class="numeric_literal">0</span> <span class="brace">}</span><span class="semicolon">;</span>

12
crates/ide/src/syntax_highlighting/test_data/highlighting.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }
@ -116,8 +117,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="function">str</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword">static</span> <span class="keyword">mut</span> <span class="static declaration mutable unsafe">STATIC_MUT</span><span class="colon">:</span> <span class="builtin_type">i32</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">foo</span><span class="angle">&lt;</span><span class="lifetime declaration">'a</span><span class="comma">,</span> <span class="type_param declaration">T</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="type_param">T</span> <span class="brace">{</span>
<span class="function">foo</span><span class="operator">::</span><span class="angle">&lt;</span><span class="lifetime">'a</span><span class="comma">,</span> <span class="builtin_type">i32</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="parenthesis">)</span>
<span class="brace">}</span>
@ -185,10 +184,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="keyword">let</span> <span class="variable declaration">x</span> <span class="operator">=</span> <span class="numeric_literal">92</span><span class="semicolon">;</span>
<span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">push</span><span class="parenthesis">(</span><span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field public">y</span><span class="colon">:</span> <span class="numeric_literal">1</span> <span class="brace">}</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword unsafe">unsafe</span> <span class="brace">{</span>
<span class="variable mutable">vec</span><span class="operator">.</span><span class="unresolved_reference">set_len</span><span class="parenthesis">(</span><span class="numeric_literal">0</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="static mutable unsafe">STATIC_MUT</span> <span class="operator">=</span> <span class="numeric_literal">1</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword control">for</span> <span class="variable declaration">e</span> <span class="keyword control">in</span> <span class="variable mutable">vec</span> <span class="brace">{</span>
<span class="comment">// Do nothing</span>
@ -256,9 +251,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
futures::<span class="macro">join!</span><span class="parenthesis">(</span>f1<span class="comma">,</span> f2<span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="brace">}</span>
<span class="keyword unsafe">unsafe</span> <span class="keyword">trait</span> <span class="trait declaration unsafe">Dangerous</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">impl</span> <span class="trait unsafe">Dangerous</span> <span class="keyword">for</span> <span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="keyword">fn</span> <span class="function declaration">use_foo_items</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
<span class="keyword">let</span> <span class="variable declaration">bob</span> <span class="operator">=</span> <span class="module library">foo</span><span class="operator">::</span><span class="struct library">Person</span> <span class="brace">{</span>
<span class="field library">name</span><span class="colon">:</span> <span class="string_literal">"Bob"</span><span class="comma">,</span>

3
crates/ide/src/syntax_highlighting/test_data/injection.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

3
crates/ide/src/syntax_highlighting/test_data/rainbow_highlighting.html
View file

@ -17,6 +17,8 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.function.unsafe { color: #BC8383; }
.trait.unsafe { color: #BC8383; }
.operator.unsafe { color: #BC8383; }
.mutable.unsafe { color: #BC8383; text-decoration: underline; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.parameter { color: #94BFF3; }
.text { color: #DCDCCC; }
.type { color: #7CB8BB; }
@ -33,7 +35,6 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
.mutable { text-decoration: underline; }
.escape_sequence { color: #94BFF3; }
.keyword { color: #F0DFAF; font-weight: bold; }
.keyword.unsafe { color: #BC8383; font-weight: bold; }
.control { font-style: italic; }
.reference { font-style: italic; font-weight: bold; }

32
crates/ide/src/syntax_highlighting/tests.rs
View file

@ -89,8 +89,6 @@ fn str() {
str();
}
static mut STATIC_MUT: i32 = 0;
fn foo<'a, T>() -> T {
foo::<'a, i32>()
}
@ -158,10 +156,6 @@ fn main() {
let x = 92;
vec.push(Foo { x, y: 1 });
}
unsafe {
vec.set_len(0);
STATIC_MUT = 1;
}
for e in vec {
// Do nothing
@ -229,9 +223,6 @@ async fn async_main() {
futures::join!(f1, f2);
}
unsafe trait Dangerous {}
impl Dangerous for () {}
fn use_foo_items() {
let bob = foo::Person {
name: "Bob",
@ -514,6 +505,8 @@ fn main() {
fn test_unsafe_highlighting() {
check_highlighting(
r#"
static mut MUT_GLOBAL: Struct = Struct { field: 0 };
static GLOBAL: Struct = Struct { field: 0 };
unsafe fn unsafe_fn() {}
union Union {
@ -521,18 +514,11 @@ union Union {
b: f32,
}
struct HasUnsafeFn;
impl HasUnsafeFn {
struct Struct { field: i32 }
impl Struct {
unsafe fn unsafe_method(&self) {}
}
struct TypeForStaticMut {
a: u8
}
static mut global_mut: TypeForStaticMut = TypeForStaticMut { a: 0 };
#[repr(packed)]
struct Packed {
a: u16,
@ -540,8 +526,9 @@ struct Packed {
unsafe trait UnsafeTrait {}
unsafe impl UnsafeTrait for Packed {}
impl !UnsafeTrait for () {}
fn require_unsafe_trait<T: UnsafeTrait>(_: T) {}
fn unsafe_trait_bound<T: UnsafeTrait>(_: T) {}
trait DoTheAutoref {
fn calls_autoref(&self);
@ -562,13 +549,14 @@ fn main() {
Union { b: 0 } => (),
Union { a } => (),
}
HasUnsafeFn.unsafe_method();
Struct { field: 0 }.unsafe_method();
// unsafe deref
let y = *x;
*x;
// unsafe access to a static mut
let a = global_mut.a;
MUT_GLOBAL.field;
GLOBAL.field;
// unsafe ref of packed fields
let packed = Packed { a: 0 };