* Construct remaining hot-path exceptions out of line so core functions inline Signed-off-by: Niels Lohmann <mail@nlohmann.me> * Move throw_key_not_found() before at_impl()'s comment block Signed-off-by: Niels Lohmann <mail@nlohmann.me> --------- Signed-off-by: Niels Lohmann <mail@nlohmann.me>