Struct BoolStack 

pub struct BoolStack { /* private fields */ }

A simple boolean stack for tracking if/else state.

Implementations

impl BoolStack

pub fn new() -> Self

Create a new empty boolean stack.

pub fn push_bool(&mut self, b: bool)

Push a boolean value onto the stack.

pub fn pop_bool(&mut self) -> Result<bool, InterpreterError>

Pop and return the top boolean value from the stack.

pub fn depth(&self) -> i32

Return the number of elements on the boolean stack.