Trait piske::visitor::eval::EvaluateVisitor

pub trait EvaluateVisitor {
    fn visit(&self, _: &mut State) -> Result<Value, String>;
}

Trait for evaluation visitor; implemented for all abstract syntax tree nodes.

Required methods

fn visit(&self, _: &mut State) -> Result<Value, String>

Walk the tree, evaluating and producing a result from the program.

Loading content...

Implementations on Foreign Types

impl EvaluateVisitor for Node<Program>

fn visit(&self, state: &mut State) -> Result<Value, String>

impl EvaluateVisitor for Node<Block>

fn visit(&self, state: &mut State) -> Result<Value, String>

impl EvaluateVisitor for Node<Statement>

fn visit(&self, state: &mut State) -> Result<Value, String>

impl EvaluateVisitor for Node<Expression>

fn visit(&self, state: &mut State) -> Result<Value, String>

impl EvaluateVisitor for Node<Set>

fn visit(&self, state: &mut State) -> Result<Value, String>

Loading content...

Implementors

Loading content...