pub fn to_string(value: &Sexp) -> Result<String, SexpError> {
    let vec = to_vec(value)?;
    let string = String::from_utf8(vec)?;
    Ok(string)
}
/// serialize a symbolic-expression to a String
serialize a symbolic-expression to a String
serialize a symbolic - expression to a String
pub fn to_string(value: &Sexp) -> Result<String, SexpError> {
    let vec = to_vec(value)?;
    let string = String::from_utf8(vec)?;
    Ok(string)
}
pub fn to_string ( value : & Sexp ) -> Result < String , SexpError > { let vec = to_vec ( value ) ? ; let string = String :: from_utf8 ( vec ) ? ; Ok ( string ) }
serialize a symbolic-expression to a String
serialize a symbolic - expression to a String
value
&Sexp