Ban Nested some Types in Existentials
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We would like to leave room in the language for `some` types in existential constraints a la `any P<some Q>` to resolve as a part of the requirement signature of a future generalized existential type. To that end, usages of `some` types nested anywhere in the arguments of an existential will fail to resolve. rdar://92758884
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We would like to leave room in the language for
sometypes in existentialconstraints a la
any P<some Q>to resolve as a part of the requirementsignature of a future generalized existential type. To that end, usages of
sometypes nested anywhere in the arguments of an existential will fail toresolve.
rdar://92758884