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use super::super::values;
use super::super::values::value_type::ValueType;
use super::Parameter;

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

use validators::{Validated, ValidatedWrapper};

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct Value {
    value_type: ValueType,
}

impl Value {
    pub fn from_value_type(value_type: ValueType) -> Value {
        Value {
            value_type,
        }
    }
}

impl Value {
    pub fn get_value_type(&self) -> &ValueType {
        &self.value_type
    }
}

impl Parameter for Value {
    fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
        f.write_str(";VALUE=")?;

        values::Value::fmt(&self.value_type, f)?;

        Ok(())
    }
}

impl Display for Value {
    fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
        Parameter::fmt(self, f)
    }
}

impl Validated for Value {}

impl ValidatedWrapper for Value {
    type Error = &'static str;

    fn from_string(_from_string_input: String) -> Result<Self, Self::Error> {
        unimplemented!();
    }

    fn from_str(_from_str_input: &str) -> Result<Self, Self::Error> {
        unimplemented!();
    }
}