[swift-evolution] Make class and struct members private by default / Type-Based access

[David Waite]

> On Apr 4, 2017, at 7:07 AM, Ted F.A. van Gaalen via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Hi Xiaodi,
> 
> that currently all members of a class or struct are exposed by default by having
> a default scope of  ‘internal’  and are therefore accessible in the entire module
> is imho very bad unstructured programming practice. 
> 
> In no other OOP language it is implemented
> that way.. 

I think you may be forgetting Java (and Ruby, and Python, and Go, and Objective-C, and…)

In my experience , the hard-private-by-default comes from C++ and heavily influenced languages like C# and Rust.

-DW
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