pd.can

Array = require("Array")
pd = {}

pd.bindAll = bindAll
pd.extend = extend
pd.Name = Name

return pd

extend(target, ...sources) {
    Array.forEach(sources, (elem) {
        Array.forEach(keysof elem, (name) {
            target[name] = elem[name]
        })
    })
    return target
}


namespace(object, key) {
    privates = new object
    valueOf = object.valueOf
    
    object.valueOf = (self, value) {
        if (value == key) {
            return privates
        }
        return valueOf(self, value)
    }
    
    return privates
}

Name() {
    key = {}
    return name
    
    name(object) {
        privates = object:valueOf(key)
        if (privates == object) {
            return namespace(object, key)
        }
        return privates
    }
}

bindAll(obj, ...sources) {
    pd.extend(obj, ...sources)
    Array.forEach(Array.filter(keysof obj, isMethod), bindMethods)
    return obj
    
    isMethod(name) {
        return typeof obj[name] == "function"
    }
    
    bindMethods(name) {
        f = obj[name]
        obj[name] = (...args) {
            f(obj, ...args)
        }
    }
}