Struct StdHost 

pub struct StdHost;

Default host: no custom builtins, print to stdout.

Trait Implementations

impl BopHost for StdHost

fn call( &mut self, _name: &str, _args: &[Value], _line: u32, ) -> Option<Result<Value, BopError>>

Called for unknown function names. Return None = not handled.

fn on_print(&mut self, message: &str)

Called by print(). Default: writes to stdout (std only), panics (no-std).

fn function_hint(&self) -> &str

Hint text for “function not found” errors.

fn on_tick(&mut self) -> Result<(), BopError>

Called each tick. Return Err to halt execution.