Merge "Change request for Rust v1.68.0"

/// An interface can promise to be a stable vendor interface ([`Vintf`]), or

/// makes no stability guarantees ([`Local`]). [`Local`] is

/// currently the default stability.

#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]

#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Default)]

pub enum Stability {

    /// Default stability, visible to other modules in the same compilation

    /// context (e.g. modules on system.img)

    #[default]

    Local,

    /// A Vendor Interface Object, which promises to be stable

    Vintf,

}

impl Default for Stability {

    fn default() -> Self {

        Stability::Local

    }

}

impl From<Stability> for i32 {

    fn from(stability: Stability) -> i32 {

        use Stability::*;