[swift-users] source for a Swift module's interface

[Jacob Bandes-Storch]

You can print out the interface using `:type lookup MyModule` in the REPL,
as discussed here: https://bugs.swift.org/browse/SR-2502

On Mon, Jan 16, 2017 at 6:18 PM, Dave Yost via swift-users <
swift-users at swift.org> wrote:

>
> In Xcode I can put the caret on Darwin in "import Darwin” and use Jump to
> Definition to see a Swift source file for the Darwin module. But the file
> has no name, and clicking on the Show In Finder contextual menu item (which
> is enabled) does nothing but activate the Finder. I have looked every which
> way and haven’t found a Swift interface source file for Darwin, Swift,
> Foundation, anything.
>
> If I follow the Package Manager's instructions for wrapping a C library
> for Swift import
> <https://github.com/apple/swift-package-manager/blob/master/Documentation/Usage.md#require-system-libraries> and
> then try to use Jump to Definition to see the built module’s interface
> source file, nothing happens. Again, the module’s Swift interface source
> code is nowhere to be found in the built files.
>
> Is there some trick haven’t found?
>
> How does anyone know what the interface to a wrapped library looks like?
>
>
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> swift-users at swift.org
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>
>
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