Add draft spec for pattern-matching in C# 7. #1778
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@dotnet/ldm Better late than never... C# 7 pattern-matching spec submitted for your review. |
jcouv
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Aug 13, 2018
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| > Note: There is technically an ambiguity between *type* in an `is-expression` and *constant_pattern*, either of which might be a valid parse of a qualified identifier. We try to bind it as a type for compatibility with previous versions of the language; only if that fails do we resolve it as we do in other contexts, to the first thing found (which must be either a constant or a type). This ambiguity is only present on the right-hand-side of an `is` expression. | ||
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| ### Declaration Pattern |
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It would be good to mention that the test fails if the value is null.
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