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Well, "Command to Create a Repository" could easily be a concept which contains all of the options necessary to create a Repository, which is a different concept.

Now, there is a problem that all of the struct fields have to have sane zero values for this to work, but I think that is a problem which would naturally arise with keyword arguments as well.

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Sure, if you're pushing things through a command bus or something. Otherwise you're just stretching it. If you wouldn't use it in a sentence to describe a use-case, I'd say that it's probably not a concept.

Would it? Only if you allow default values, which is a separate discussion. And even then only if your only mechanism for default values doesn't let the definitions specify what, exactly, the default value is.

> Only if you allow default values, which is a separate discussion.

Keyword args practically require default values, I think? In any case, while this feature (like every feature) definitely delivers value, it's the considered position of the Go authors that this feature, over time, has a net negative impact on program maintainability.

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