pub unsafe trait UserPod: Copy + 'static { }Expand description
Marker trait for types whose every bit pattern is valid (POD / plain old data).
This is an unsafe trait: implementors must guarantee that every possible bit pattern of the type is a valid value. This prevents reading into bools, enums with invalid discriminants, references, pointers, or other non-POD types.
§Implementors
Only implement this for types where all bit patterns are valid:
primitive integer types, #[repr(C)] structs of UserPod fields, etc.
Never implement for bool, char, enums, references, or pointers.
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".