In a previous post, I gave two use cases for 'unaligned':

(1) Reading fields from a header from a file or network card

(2) Conserving RAM / EEPROM

On a desktop PC, if you had a million strings in a vector, you could possibly instead use an 'unaligned_vector' which would wrap T in 'aligned'. This would save some space if std::string has any tail padding. Actually if 'std::string' contains padding other than tail padding, i.e. passing between members, then we could save even more space with:

    using packed_str = std::string - padding;

Of course though if we were to have an object of 'packed_str', it would need to be memcpy'd back to an std:: string before performing any operation on it.

But anyway std::string was just an arbitrary example in order to show that we need not restrict what 'unaligned' can be used for -- perhaps someone in the future will fathom a new use case.