use bstr::{BStr, ByteSlice}; ///pub mod name {    /// The error used in [name()](super::name()).    #[derive(Debug)]    #[allow(missing_docs)]    #[non_exhaustive]    pub enum Error {        Empty,        ParentComponent,    }     impl std::fmt::Display for Error {        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {            match self {                Error::Empty => write!(f, "Submodule names cannot be empty"),                Error::ParentComponent => write!(f, "Submodules names must not contains '..'"),            }        }    }     impl std::error::Error for Error {}} /// Return the original `name` if it is valid, or the respective error indicating what was wrong with it.pub fn name(name: &BStr) -> Result<&BStr, name::Error> {    if name.is_empty() {        return Err(name::Error::Empty);    }    match name.find(b"..") {        Some(pos) => {            let &b = name.get(pos + 2).ok_or(name::Error::ParentComponent)?;            if b == b'/' || b == b'\\' {                Err(name::Error::ParentComponent)            } else {                Ok(name)            }        }        None => Ok(name),    }}