================
@@ -57,6 +58,57 @@ class AvailabilitySpec {
bool isOtherPlatformSpec() const { return Version.empty(); }
};
+class Decl;
+
+/// Storage of availability attributes for a declaration.
+struct AvailabilityInfo {
+ /// The domain is the platform for which this availability info applies to.
+ llvm::SmallString<32> Domain;
----------------
cyndyishida wrote:
In fear I may have misunderstood your question, I give alternative answers.
* There is not a default template argument for SmallString
* For why I picked `32`, `31` characters is the longest string value under
inputs and outputs for [mapping platform
availability](https://github.com/llvm/llvm-project/blob/main/clang/include/clang/Basic/Attr.td#L984)
https://github.com/llvm/llvm-project/pull/81897
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