code cleanup prior to optional interop improvements#7276

Merged

KevinRansom merged 3 commits intodotnet:masterfrom

dsyme:optionals

Jul 27, 2019

Commits on Jul 25, 2019

add test cases we need to make work
dsyme
committed

Commits on Jul 26, 2019

cleanup method call argument processing
dsyme
committed
Merge branch 'master' of http://github.com/Microsoft/visualfsharp into optionals
dsyme
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