src/hostfile.rs


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use crate::{Session, SessionSource};

pub struct HostFile;

impl SessionSource for HostFile {
    type Error = &'static str;

    type Iter = Vec<Session>;

    fn sessions(&self) -> Result<Self::Iter, Self::Error> {
        let sessions = hostfile::parse_hostfile()?
            .into_iter()
            .flat_map(|h| h.names.into_iter())
            .map(Into::into)
            .collect();

        Ok(sessions)
    }
}