Optional parameter usage

[natebrennand]

Semantics defined for using a subset of the optional parameters

Can I alter s2 without setting s1?

func foo(int a, int b, string s1 = "", string s2 = null) int{
return 0;
}

foo(1, 2, s2="hi")

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Guru @danrschlosser, do we want this? If so we need to define it in the LRM

[schlosser]

Yes we can. https://github.com/rapid-lang/rapid/blob/master/LRM/README.md#function-call