[Swift-devel] on the semantics of 'array closing'

[Ben Clifford]

On Sat, 16 Jun 2007, Mihael Hategan wrote:

> > It works because Swift implicitly marks arrays returned from compound 
> > procedures as closed (which may or may not be correct).
> 
> We defined it as correct. Something created in one scope cannot be
> modified in a parent scope.

That's fine - what was unintuitive to me was that something created in one 
scope cannot be referred to in that same scope. i.e. you can create a 
piecewise using a[...]=... but cannot then refer to a.

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