valid_toml 0.0.2

Provides the ability to load a TOML file with validation.
Documentation 
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/* Copyright 2016 Joshua Gentry
 *
 * Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 * http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 * <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
 * option. This file may not be copied, modified, or distributed
 * except according to those terms.
 */
use std::fmt::{Display, Formatter, Error};

//*************************************************************************************************
/// Provides a description of how an element should be formatted.
#[derive(Debug)]
pub enum FormatDesc
{
    //---------------------------------------------------------------------------------------------
    /// The element needs to be a duration format i.e. ##d ##h ##m ##s ##ms.
    Duration,

    //---------------------------------------------------------------------------------------------
    /// There is a custom formatter for the element.
    Custom(String)
}

impl Display for FormatDesc
{
    //*********************************************************************************************
    /// Display a nice message.
    fn fmt(
        &self,
        fmt : &mut Formatter
        ) -> Result<(), Error>
    {
        match *self
        {
            FormatDesc::Duration        => write!(fmt, "Item must be in the format #d #h #m #s #ms."),
            FormatDesc::Custom(ref txt) => write!(fmt, "{}", txt)
        }
    }
}