Struct Interpreter 

pub struct Interpreter {
    pub env: Environment,
    /* private fields */
}

The tree-walking interpreter that evaluates an AST.

Maintains an Environment for variable storage and a registry of struct definitions encountered during execution.

Fields

env: Environment

Implementations

impl Interpreter

pub fn new() -> Self

Creates a new interpreter with a fresh environment.

pub fn run(&mut self, program: Vec<Expr>) -> Result<Value, RuntimeError>

Runs a complete program (list of top-level statements).

pub fn eval(&mut self, expr: &Expr) -> Result<Value, RuntimeError>

Evaluates a single expression / statement.

Trait Implementations

impl Default for Interpreter

fn default() -> Self

Returns the “default value” for a type.