pub mod attrs;
pub mod ctx;
pub mod dict;
pub mod error;
pub mod fun;
//pub mod num;
pub mod ns {
    use crate::{mem::ptr::DynRef, obj::Sym};
    use std::collections::BTreeMap;

    /// A namespace
    pub type Ns = BTreeMap<Sym, DynRef>;
}
pub mod str;
pub mod sym {
    pub type Sym = usize;
}
//pub mod ty;

pub mod prelude {
    pub use crate::{
        mem::{
            gc::Gc,
            intern::Intern,
            ptr::{DynRef, ObjRef},
        },
        obj::{Attrs, AttrsRef, Dict, DictRef, Fun, NativeFun, Ns, Obj, ObjCtx, Str, StrRef, Sym},
    };
}

pub use self::{
    attrs::{Attrs, AttrsBuilder, AttrsRef},
    ctx::ObjCtx,
    dict::{Dict, DictRef},
    fun::{Fun, NativeFun},
    ns::Ns,
    str::{Str, StrRef},
    sym::Sym,
};
use crate::mem::ptr::ObjRef;
use std::any::Any;

pub trait Obj {
    fn attrs(&self) -> ObjRef<Attrs>;

    fn is_marked(&self) -> bool;
    fn mark(&self);
    fn unmark(&self);

    fn as_any(&self) -> &dyn Any;
}