Allow spreading arrays after required parameters #15849
Merged
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Fixes #5296 using the simple method described briefly in at the bottom #15747.
Specifically, this treats arrays that are spread as an infinite list of all-optional arguments. This lets you spread arrays into all-optional parameters whose types match.
This simple definition has a few more implications:
arguments
) [1].Both of these might come later, but would probably require #6229, @Igorbek's strict-length tuple proposal. And much more code, since this is a one-line change.
[1]