specify Unsigned, Integral, Floating, Arithmetic and Scalar Types

[WalterBright]

and some links to them.

[dlang-bot]

Thanks for your pull request, @WalterBright!

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[thewilsonator]

$(P If the arguments are all either types that are $(DDSUBLINK type, Arithmetic Type, $(I Arithmetic Type)),

You need to escape your commas , see https://github.com/dlang/dlang.org/pull/2453#discussion_r245378324