c-ares-resolver 11.0.0

An asynchronous DNS resolver, backed by c-ares.
Documentation 
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use std::net::IpAddr;

/// An owned version of `c_ares::HostResults`.
#[derive(Clone, Eq, PartialEq, Debug, Hash, PartialOrd, Ord)]
pub struct HostResults {
    /// The hostname returned by the lookup.
    pub hostname: String,

    /// The IP addresses returned by the lookup.
    pub addresses: Vec<IpAddr>,

    /// The aliases returned by the lookup.
    pub aliases: Vec<String>,
}

impl From<c_ares::HostResults<'_>> for HostResults {
    fn from(results: c_ares::HostResults) -> Self {
        Self {
            hostname: results.hostname().to_owned(),
            addresses: results.addresses().collect(),
            aliases: results
                .aliases()
                .map(std::borrow::ToOwned::to_owned)
                .collect(),
        }
    }
}