This section documents (or will document) features that are provided by the standard library and that #![no_std] developers have to deal with (i.e. provide) to build #![no_std] binary crates. A (likely incomplete) list of such features is shown below:

• #[lang = "eh_personality"]
• #[lang = "start"]
• #[lang = "termination"]
• #[panic_implementation]