42 lines
1.0 KiB
Rust
42 lines
1.0 KiB
Rust
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#![warn(clippy::transmute_ptr_to_ref)]
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unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) {
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let _: &T = std::mem::transmute(p);
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let _: &T = &*p;
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let _: &mut T = std::mem::transmute(m);
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let _: &mut T = &mut *m;
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let _: &T = std::mem::transmute(m);
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let _: &T = &*m;
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let _: &mut T = std::mem::transmute(p as *mut T);
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let _ = &mut *(p as *mut T);
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let _: &T = std::mem::transmute(o);
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let _: &T = &*(o as *const T);
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let _: &mut T = std::mem::transmute(om);
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let _: &mut T = &mut *(om as *mut T);
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let _: &T = std::mem::transmute(om);
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let _: &T = &*(om as *const T);
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}
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fn issue1231() {
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struct Foo<'a, T> {
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bar: &'a T,
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}
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let raw = 42 as *const i32;
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let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
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let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
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type Bar<'a> = &'a u8;
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let raw = 42 as *const i32;
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unsafe { std::mem::transmute::<_, Bar>(raw) };
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}
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fn main() {}
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