ping 0.7.1

Simple and naive ping implementation in Rust.
Documentation 
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use thiserror::Error;

#[derive(Debug, Error)]
pub enum Error {
    #[error("invalid procotol")]
    InvalidProtocol,
    #[error("internal error")]
    InternalError,
    #[error("Decode V4 error occurred while processing the IPv4 packet.")]
    DecodeV4Error,
    #[error("Decode echo reply error occurred while processing the ICMP echo reply.")]
    DecodeEchoReplyError,
    #[error("io error: {error}")]
    IoError {
        #[from]
        #[source]
        error: ::std::io::Error,
    },
}