|
|
|
@ -48,7 +48,7 @@ A reference/pointer is "dangling" if it is null or not all of the bytes it
|
|
|
|
|
points to are part of the same allocation (so in particular they all have to be
|
|
|
|
|
part of *some* allocation). The span of bytes it points to is determined by the
|
|
|
|
|
pointer value and the size of the pointee type. As a consequence, if the span is
|
|
|
|
|
empty, "dangling" is the same as "non-null". Note that slices and strings point
|
|
|
|
|
empty, "dangling" is the same as "null". Note that slices and strings point
|
|
|
|
|
to their entire range, so it's important that the length metadata is never too
|
|
|
|
|
large (in particular, allocations and therefore slices and strings cannot be
|
|
|
|
|
bigger than `isize::MAX` bytes). If for some reason this is too cumbersome,
|
|
|
|
|