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use std::error;
use std::fmt::{self, Display, Formatter};

pub use self::de::{from_value,from_value_ref};
pub use self::se::{to_value, to_value_def};

mod de;
mod se;

/// ser ref Error
#[derive(Debug)]
pub enum Error {
    /// Syntax
    Syntax(String),
}

impl Error {
    pub fn append(self, arg: &str) -> Self {
         match self {
             Error::Syntax(mut v) => {
                 v.push_str(arg);
                 Self::Syntax(v)
             }
         }
    }
}

impl Display for Error {
    #[cold]
    fn fmt(&self, fmt: &mut Formatter<'_>) -> Result<(), fmt::Error> {
        match *self {
            Error::Syntax(ref err) => write!(fmt, "{}", err),
        }
    }
}
impl error::Error for Error {}