ArrayAccess ArrayAccess ArrayAccess ArrayAccess ClearDelete Code COut COut DeepCopy DeepCopy Delete Dims Export ExportDefined Extract FillArray Find Flush Get GetExternInfo GetExtra GetName Info Insert Insert IsExternal List List operator bool operator SdsIdType Outlive Pointer Put PutExtra Rename Resize SdsId SdsId SdsId SdsId SdsId SdsId SdsId SdsId SdsId SdsId SdsId SdsId SetDelete SetFree ShallowCopy ShallowCopy Size SizeDefined Write ~SdsId

operator bool() SdsId::operator bool ( void  ) const inline Operator which tests if an item is valid. Returns True if an item appears to be valid (the underlying SDS ID is non-zero).