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use ::{Object, VerifiedObject, Exception};
use ::types::{Value, ValueType};
use std::fmt::{Display, Formatter};
use std::fmt;

pub struct AnyException {
    value: Value
}

impl From<Value> for AnyException {
    fn from(value: Value) -> Self {
        AnyException { value: value }
    }
}

impl Object for AnyException {
    #[inline]
    fn value(&self) -> Value {
        self.value
    }
}

impl Exception for AnyException {}

impl VerifiedObject for AnyException {
    fn is_correct_type<T: Object>(object: &T) -> bool {
        object.value().ty() == ValueType::Class &&
          object.respond_to("set_backtrace")
    }

    fn error_message() -> &'static str {
        "Error converting to AnyException"
    }
}

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

impl fmt::Debug for AnyException {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.inspect())
    }
}

impl PartialEq for AnyException {
    fn eq(&self, other: &AnyException) -> bool {
        self.equals(other)
    }
}