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27 lines
662 B
27 lines
662 B
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pub unsafe fn refer<'a, T>(src: &'a T) -> &'a [u8]
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where T: ?Sized
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{
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std::slice::from_raw_parts(src as *const T as *const u8, std::mem::size_of_val(src))
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}
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pub unsafe fn refer_mut<'a, T>(src: &'a mut T) -> &'a mut [u8]
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where T: ?Sized
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{
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std::slice::from_raw_parts_mut(src as *mut T as *mut u8, std::mem::size_of_val(src))
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}
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pub unsafe fn derefer<'a, T>(src: &'a [u8]) -> &'a T
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{
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assert!(src.len() >= std::mem::size_of::<T>());
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&*(&src[0] as *const u8 as *const T)
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}
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pub unsafe fn derefer_mut<'a, T>(src: &'a mut [u8]) -> &'a mut T
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{
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assert!(src.len() >= std::mem::size_of::<T>());
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&mut *(&mut src[0] as *mut u8 as *mut T)
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}
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