C# 7.0 tuples #1134
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C# 7.0 tuples #1134
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* Use tuple literals instead of calling 'new ValueTuple<..>' constructor * Where available, use element names for field access * Make CallBuilder aware of tuple-name/dynamic type erasure, to avoid introducing casts when the types differ only in the tuple element names. * Make CallBuilder provide a ResolveResult with the correct C# return type for the resulting expression. Previously we were using the type-erased return type from the IL. * Fix a bug that caused us to introduce returning casts when accessing an indexer.
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Just as
objectanddynamicare two different C# types that map to the same IL type; tuple types are a bunch of new C# types that map to the normalValueTuple<>struct types.Note: deconstruction is a separate topic.