Nah, just .clone() gleefully the 99% of the time that you're not in the hot path. Most of the other cases, you can use typed_arena or bumpalo. The other 0.1%

Nah, just .clone() gleefully the 99% of the time that you're not in the hot path. Most of the other cases, you can use typed_arena or bumpalo. The other 0.1% of the time, you'd have to be pedantic about allocation anyway and might appreciate the compiler's help.