[cfe-dev] can we know if an array definition has an explicit size ??

[kevinlynx]

say,

    int arr[] = { 1, 2, 3 }

here `arr` size is determined by the initializer expression automatically, but how to know this ? I implement `RecursiveASTVisitor::VisitVarDecl` and get a `VarDecl` object.

Thanks
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