//! [BOLT #9]: https://github.com/lightningnetwork/lightning-rfc/blob/master/09-features.md
//! [messages]: crate::ln::msgs
+use prelude::*;
use core::{cmp, fmt};
use core::marker::PhantomData;
use util::ser::{Readable, Writeable, Writer};
mod sealed {
+ use prelude::*;
use ln::features::Features;
/// The context in which [`Features`] are applicable. Defines which features are required and