[Issue 13451] Lambda syntax with explicit return type not documented

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13451

--- Comment #2 from briancschott at gmail.com ---
https://github.com/D-Programming-Language/dmd/blob/master/test/runnable/funclit.d#L258

I would not be surprised if it started off as an oversight and was then added
to the test suite.

We should never break the promises we never made, right?

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