pocka/rusted

export function Mutability(data,mut){
    Object.defineProperties(this,{
        mutable:{
            value:mut,
            writable:false,
            configurable:false,
            enumerable:true
        },
        data:{
            value:data,
            writable:false,
            configurable:false,
            enumerable:true
        }
    });
}

export function mut(data){
    return new Mutability(data,true);
}

export function imm(data){
    return new Mutability(data,false);
}