Area-CompilersFeature - Nullable Reference Typeshelp wanted
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説明
Version Used: 17.13.0 Preview 2.1
There is no nullability warning for lock (null) { } or lock (maybeNullExpr) { }, even though a null at runtime throws ArgumentNullException.
Expected
A nullability warning such as:
-
CS8604 - Possible null reference argument for parameter.
- More literal, similar to how
awaitorforeachsimply reflect the warning you'd get if you had manually called GetAwaiter()/GetEnumerator().
- More literal, similar to how
-
CS8602 - Dereference of a possibly null reference.
- A step back, if calling
exprinlock (expr)a "parameter" is leaking too much information about howlockis being lowered.
- A step back, if calling
Or, one in the same vein as "CS8597 Thrown value may be null."