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//! Definition of the VariableData trait. A VariableData can contain any data which has a `'static`
//! type.

use std::{
    any::{Any, TypeId},
    fmt::Debug,
};

pub trait VariableData: Debug {
    fn boxed(&self) -> Box<dyn VariableData>;
    fn boxed_any(&self) -> Box<dyn Any>;
    fn type_id(&self) -> TypeId;
    fn type_name(&self) -> &'static str;
}

/// A VariableData is cloneable and has a `'static` type. This data type is used throughout
/// tlspuffin to handle data of dynamic size.
impl<T: 'static> VariableData for T
where
    T: Clone + Debug,
{
    fn boxed(&self) -> Box<dyn VariableData> {
        Box::new(self.clone())
    }

    fn boxed_any(&self) -> Box<dyn Any> {
        Box::new(self.clone())
    }

    fn type_id(&self) -> TypeId {
        Any::type_id(self)
    }

    fn type_name(&self) -> &'static str {
        std::any::type_name::<T>()
    }
}