Custom fatalError()?

There are two situations in my code where I'd like a custom function that has the same essential functionality as fatalError(), but named differently. These functions would be called todo() and unimplemented(). Now, I currently have utility functions by these names implemented as below, but they do not behave in the same way as fatalError():

public func todo(file: StaticString = #file, line: UInt = #line) -> Never {
    fatalError("todo", file: file, line: line)

public func unimplemented(file: StaticString = #file, line: UInt = #line) -> Never {
    fatalError("unimplemented", file: file, line: line)

The problem is that when I'm running my program under the Xcode debugger, and one of these functions is called, the debugger stops on the call to fatalError(), and not on my call to, say, todo(). While the file and line information printed to the console correctly reflect the call point of todo() the debugger itself requires I go up a stack frame to see the invocation. During intense debugging sessions this starts to feel fatiguing, and I begin to want to be able to just make my own "un-callable" functions like fatalError(), but so far I've yet to find a way to to this.

I've tried various approaches like asking the compiler to inline my custom calls, and making them aliases of fatalError(), but these end up being impractical.

I just want to write todo() and have the debugger show execution stopping there, and not anywhere else.


After writing the above, I discovered the @_transparent attribute, which apparently absolutely forces inlining and seems to do the trick. Obviously, I'm not planning on leaving calls to todo() and the like in production code, so I think this will serve my needs, but it would be nice if there were an officially approved way of doing this.