Function std::ptr::replace
pub unsafe fn replace<T>(dest: *mut T, src: T) -> T
Replace the value at a mutable location with a new one, returning the old value, without deinitialising either.
pub unsafe fn replace<T>(dest: *mut T, src: T) -> T
Replace the value at a mutable location with a new one, returning the old value, without deinitialising either.
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