bool reallocateWithCopy(OldAllocator &oldAllocator, NewAllocator &newAllocator, block &b,
size_t n)
{
auto newBlock = newAllocator.allocate(n);
if (!newBlock) {
return false;
}
blockCopy(b, newBlock);
oldAllocator.deallocate(b);
b = newBlock;
return true;
}
bool reallocate_with_copy(OldAllocator &oldAllocator, NewAllocator &newAllocator, block &b,
size_t n) noexcept
{
auto newBlock = newAllocator.allocate(n);
if (!newBlock) {
return false;
}
block_copy(b, newBlock);
oldAllocator.deallocate(b);
b = newBlock;
return true;
}