1 error: transmute from a type (`&'a T`) to itself
2 --> $DIR/transmute.rs:19:20
4 LL | let _: &'a T = core::intrinsics::transmute(t);
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 = note: `-D clippy::useless-transmute` implied by `-D warnings`
9 error: transmute from a reference to a pointer
10 --> $DIR/transmute.rs:23:23
12 LL | let _: *const T = core::intrinsics::transmute(t);
13 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T`
15 error: transmute from a reference to a pointer
16 --> $DIR/transmute.rs:25:21
18 LL | let _: *mut T = core::intrinsics::transmute(t);
19 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *mut T`
21 error: transmute from a reference to a pointer
22 --> $DIR/transmute.rs:27:23
24 LL | let _: *const U = core::intrinsics::transmute(t);
25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *const U`
27 error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
28 --> $DIR/transmute.rs:32:17
30 LL | let _: &T = std::mem::transmute(p);
31 | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
33 = note: `-D clippy::transmute-ptr-to-ref` implied by `-D warnings`
35 error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
36 --> $DIR/transmute.rs:35:21
38 LL | let _: &mut T = std::mem::transmute(m);
39 | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *m`
41 error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
42 --> $DIR/transmute.rs:38:17
44 LL | let _: &T = std::mem::transmute(m);
45 | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*m`
47 error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
48 --> $DIR/transmute.rs:41:21
50 LL | let _: &mut T = std::mem::transmute(p as *mut T);
51 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(p as *mut T)`
53 error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
54 --> $DIR/transmute.rs:44:17
56 LL | let _: &T = std::mem::transmute(o);
57 | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(o as *const T)`
59 error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
60 --> $DIR/transmute.rs:47:21
62 LL | let _: &mut T = std::mem::transmute(om);
63 | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(om as *mut T)`
65 error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
66 --> $DIR/transmute.rs:50:17
68 LL | let _: &T = std::mem::transmute(om);
69 | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(om as *const T)`
71 error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
72 --> $DIR/transmute.rs:61:32
74 LL | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
75 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const Foo<_>)`
77 error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
78 --> $DIR/transmute.rs:63:33
80 LL | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
81 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const Foo<&_>)`
83 error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
84 --> $DIR/transmute.rs:67:14
86 LL | unsafe { std::mem::transmute::<_, Bar>(raw) };
87 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const u8)`
89 error: transmute from a type (`std::vec::Vec<i32>`) to itself
90 --> $DIR/transmute.rs:73:27
92 LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
93 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
95 error: transmute from a type (`std::vec::Vec<i32>`) to itself
96 --> $DIR/transmute.rs:75:27
98 LL | let _: Vec<i32> = core::mem::transmute(my_vec());
99 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
101 error: transmute from a type (`std::vec::Vec<i32>`) to itself
102 --> $DIR/transmute.rs:77:27
104 LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
105 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
107 error: transmute from a type (`std::vec::Vec<i32>`) to itself
108 --> $DIR/transmute.rs:79:27
110 LL | let _: Vec<i32> = std::mem::transmute(my_vec());
111 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
113 error: transmute from a type (`std::vec::Vec<i32>`) to itself
114 --> $DIR/transmute.rs:81:27
116 LL | let _: Vec<i32> = my_transmute(my_vec());
117 | ^^^^^^^^^^^^^^^^^^^^^^
119 error: transmute from an integer to a pointer
120 --> $DIR/transmute.rs:89:31
122 LL | let _: *const usize = std::mem::transmute(5_isize);
123 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `5_isize as *const usize`
125 error: transmute from an integer to a pointer
126 --> $DIR/transmute.rs:93:31
128 LL | let _: *const usize = std::mem::transmute(1 + 1usize);
129 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(1 + 1usize) as *const usize`
131 error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
132 --> $DIR/transmute.rs:108:24
134 LL | let _: Usize = core::intrinsics::transmute(int_const_ptr);
135 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
137 = note: `-D clippy::crosspointer-transmute` implied by `-D warnings`
139 error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
140 --> $DIR/transmute.rs:110:24
142 LL | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
143 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
145 error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
146 --> $DIR/transmute.rs:112:31
148 LL | let _: *const Usize = core::intrinsics::transmute(my_int());
149 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
151 error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
152 --> $DIR/transmute.rs:114:29
154 LL | let _: *mut Usize = core::intrinsics::transmute(my_int());
155 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
157 error: transmute from a `u32` to a `char`
158 --> $DIR/transmute.rs:120:28
160 LL | let _: char = unsafe { std::mem::transmute(0_u32) };
161 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_u32).unwrap()`
163 = note: `-D clippy::transmute-int-to-char` implied by `-D warnings`
165 error: transmute from a `i32` to a `char`
166 --> $DIR/transmute.rs:121:28
168 LL | let _: char = unsafe { std::mem::transmute(0_i32) };
169 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()`
171 error: transmute from a `u8` to a `bool`
172 --> $DIR/transmute.rs:126:28
174 LL | let _: bool = unsafe { std::mem::transmute(0_u8) };
175 | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `0_u8 != 0`
177 = note: `-D clippy::transmute-int-to-bool` implied by `-D warnings`
179 error: transmute from a `u32` to a `f32`
180 --> $DIR/transmute.rs:131:27
182 LL | let _: f32 = unsafe { std::mem::transmute(0_u32) };
183 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)`
185 = note: `-D clippy::transmute-int-to-float` implied by `-D warnings`
187 error: transmute from a `i32` to a `f32`
188 --> $DIR/transmute.rs:132:27
190 LL | let _: f32 = unsafe { std::mem::transmute(0_i32) };
191 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)`
193 error: transmute from a `&[u8]` to a `&str`
194 --> $DIR/transmute.rs:136:28
196 LL | let _: &str = unsafe { std::mem::transmute(b) };
197 | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8(b).unwrap()`
199 = note: `-D clippy::transmute-bytes-to-str` implied by `-D warnings`
201 error: transmute from a `&mut [u8]` to a `&mut str`
202 --> $DIR/transmute.rs:137:32
204 LL | let _: &mut str = unsafe { std::mem::transmute(mb) };
205 | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()`
207 error: transmute from a pointer to a pointer
208 --> $DIR/transmute.rs:169:29
210 LL | let _: *const f32 = std::mem::transmute(ptr);
211 | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr as *const f32`
213 = note: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings`
215 error: transmute from a pointer to a pointer
216 --> $DIR/transmute.rs:170:27
218 LL | let _: *mut f32 = std::mem::transmute(mut_ptr);
219 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `mut_ptr as *mut f32`
221 error: transmute from a reference to a reference
222 --> $DIR/transmute.rs:172:23
224 LL | let _: &f32 = std::mem::transmute(&1u32);
225 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&1u32 as *const u32 as *const f32)`
227 error: transmute from a reference to a reference
228 --> $DIR/transmute.rs:173:23
230 LL | let _: &f64 = std::mem::transmute(&1f32);
231 | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&1f32 as *const f32 as *const f64)`
233 error: transmute from a reference to a reference
234 --> $DIR/transmute.rs:176:27
236 LL | let _: &mut f32 = std::mem::transmute(&mut 1u32);
237 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(&mut 1u32 as *mut u32 as *mut f32)`
239 error: transmute from a reference to a reference
240 --> $DIR/transmute.rs:177:37
242 LL | let _: &GenericParam<f32> = std::mem::transmute(&GenericParam { t: 1u32 });
243 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&GenericParam { t: 1u32 } as *const GenericParam<u32> as *const GenericParam<f32>)`
245 error: aborting due to 38 previous errors