src/doc/nomicon/src/beneath-std.md

   1 # Beneath std
   2
   3 This section documents (or will document) features that are provided by the standard library and
   4 that `#![no_std]` developers have to deal with (i.e. provide) to build `#![no_std]` binary crates. A
   5 (likely incomplete) list of such features is shown below:
   6
   7 - `#[lang = "eh_personality"]`
   8 - `#[lang = "start"]`
   9 - `#[lang = "termination"]`
  10 - `#[panic_implementation]`