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//! Protocol IPersistentMap

use clojure::lang::*;
use clojure::rust::*;

use crate::*;

pub trait IPersistentSet: IObject+IPersistentCollection+Counted {
    // IPersistentSet -> Object -> IPersistentSet
    fn disjoin(
        &self,
        key: Object,
    ) -> ObjResult<Object>;

    // IPersistentSet -> Object -> bool
    fn assocEx(
        &self,
        key: Object,
    ) -> ObjResult<bool>;

    // IPersistentSet -> Object -> Object
    fn get(
        &self,
        key: Object,
    ) -> ObjResult<Object>;
}