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use std::fmt;
use std::error::Error;


#[derive(Debug)]
pub struct GFError {
    pub description: String,
}

impl GFError {
    pub fn new(s: String) -> GFError {
        GFError { description: s}
    }
}

impl<T: Error> From<T> for GFError
{
    fn from(e: T) -> GFError {
        GFError {
            description: format!("{}", e),
        }
    }
}


impl fmt::Display for GFError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.description)
    }
}