Struct Env 

pub struct Env {
    pub out: Box<dyn Write>,
    pub err: Box<dyn Write>,
    pub halt: Arc<AtomicBool>,
}

The runtime env

Fields

out: Box<dyn Write>

The output writer

err: Box<dyn Write>

The error writer

halt: Arc<AtomicBool>

The halt token - Set to true to exit after current instruction

Implementations

impl Env

pub fn default() -> Env

Creates and returns a new instance.

pub fn new( out: Option<Box<dyn Write>>, err: Option<Box<dyn Write>>, halt: Option<Arc<AtomicBool>>, ) -> Env

Creates and returns a new instance.