[Swift-devel] "type file;" by default

[Ben Clifford]

Pretty much every simple SwiftScript program that I write, I find myself 
putting in "type file;" at the start, and avoiding "marker types" of the 
form:

   type picturefile;

and thus ignoring application-level type checking (checking that I'm not 
feeding a picture into a text processing app, and the like) whilst still 
taking advantage of other swift type checking.

To simplify low-end uses of the language, it might be useful to have the 
above "type file;" defined as a built-in type.

This has been discussed before, but I'd like to know what peoples opinions 
are.

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