Struct Interpreter 

pub struct Interpreter {
    pub env: Environment,
    pub output: Box<dyn OutputHandler>,
}

Fields

env: Environment

output: Box<dyn OutputHandler>

Implementations

impl Interpreter

pub fn new() -> Self

Create an interpreter with the default buffered output handler.

pub fn with_output(handler: Box<dyn OutputHandler>) -> Self

Create an interpreter with a custom output handler.

Use StreamingOutput to stream print/println output to a terminal in real-time, or provide any other OutputHandler implementation.

pub fn output_lines(&self) -> &[String]

Return all output lines emitted so far.

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

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

Trait Implementations

impl Default for Interpreter

fn default() -> Self

Returns the “default value” for a type.