Function checked_calloc

library/src/trans_table/trans_table_s.cpp:27–32

namespace
{
auto checked_calloc(const size_t count, const size_t size) -> void*
{
  if (void* ptr = std::calloc(count, size))
    return ptr;
  throw std::bad_alloc();
}
}

// Accessor for a lazily initialized, immutable TTlowestRank table.