You're right that the source code is available to everyone and that people can just step through your code and gain access to any object or a variable they encounter. But there's still importance in making properties private as a means to distinguish between a property people can change, play around with and a property that is exposed to the public yet people shouldn't touch. Example: suppose you're creating a Class and publishing it as a library. Users of the library can use your Class to create instances that will have some properties. You might want to have some properties per each Class instance that you don't want people to mess with, in which case it makes sense to make them private. I don't think this solution can help with security though.
Wouldn't a convention/readme saying "don't touch references starting with an underscore" suffice for that?
Building wrappers and doing language-magic seems a bit overkill.
If it suffices for you to just mention it in Readme, good. It's probably not enough for me.
Also, the method I described doesn't require you to do wrappers. It requires you to create a closure, but you should probably have it anyway (module pattern).
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You're right that the source code is available to everyone and that people can just step through your code and gain access to any object or a variable they encounter. But there's still importance in making properties private as a means to distinguish between a property people can change, play around with and a property that is exposed to the public yet people shouldn't touch. Example: suppose you're creating a Class and publishing it as a library. Users of the library can use your Class to create instances that will have some properties. You might want to have some properties per each Class instance that you don't want people to mess with, in which case it makes sense to make them private. I don't think this solution can help with security though.
Wouldn't a convention/readme saying "don't touch references starting with an underscore" suffice for that?
Building wrappers and doing language-magic seems a bit overkill.
If it suffices for you to just mention it in Readme, good. It's probably not enough for me.
Also, the method I described doesn't require you to do wrappers. It requires you to create a closure, but you should probably have it anyway (module pattern).