pub fn filename_to_string(filename: impl AsRef<OsStr>) -> io::Result<String> {
    let filename = filename.as_ref();
    Ok(filename
        .to_str()
        .ok_or_else(|| {
            io::Error::new(io::ErrorKind::InvalidData, anyhow!("invalid filename {:?}", filename))
        })?
        .to_string())
}
/// Converts an OS-specific filename to a String, returning an io::Error
/// if a failure occurs. The io::Error contains the invalid filename,
/// which gives the user a better indication of what went wrong.
Converts an OS-specific filename to a String, returning an io::Error
if a failure occurs. The io::Error contains the invalid filename,
which gives the user a better indication of what went wrong.
Converts an OS - specific filename to a String returning an io :: Error if a failure occurs . The io :: Error contains the invalid filename which gives the user a better indication of what went wrong .
pub fn filename_to_string(filename: impl AsRef<OsStr>) -> io::Result<String> {
    let filename = filename.as_ref();
    Ok(filename
        .to_str()
        .ok_or_else(|| {
            io::Error::new(io::ErrorKind::InvalidData, anyhow!("invalid filename {:?}", filename))
        })?
        .to_string())
}
pub fn filename_to_string ( filename : impl AsRef < OsStr > ) -> io :: Result < String > { let filename = filename . as_ref ( ) ; Ok ( filename . to_str ( ) . ok_or_else ( | | { io :: Error :: new ( io :: ErrorKind :: InvalidData , anyhow ! ( " " filename ) ) } ) ? . to_string ( ) ) }
Converts an OS-specific filename to a String, returning an io::Error
if a failure occurs.
Converts an OS - specific filename to a String returning an io :: Error if a failure occurs .
filename
impl AsRef<OsStr>
filename
impl AsRef<OsStr>