//! The Rush scripting language.

use super::{
    Result,
    env::Env,
};

/// The value of an expression.
pub enum Value {
    String (String)
}

/// An identifier.
pub struct Name (String);

/// Evaluation of expressions in the Rush scripting language.
pub trait Eval {

    /// Evaluates the code in the context of the given [`Env`].
    fn eval <E> (self, env: &E) -> Result<Value>
    where
        E: Env;

}

/// An iterator of parsed code generated from an iterator of raw
/// code fragments.
pub struct Parser;