================ @@ -434,6 +434,36 @@ __datasizeof ``__datasizeof`` behaves like ``sizeof``, except that it returns the size of the type ignoring tail padding. +.. _builtin_structured_binding_size-doc: + +__builtin_structured_binding_size (C++) +--------------------------------------- +``__builtin_structured_binding_size`` returns the *structured binding size* +([dcl.struct.bind]) of the type ``T`` (or unevaluate expression ``arg``) +passed as argument. + +This is equivalent to the size of the pack ``p`` in ``auto&& [...p] = arg;``. +If the argument is not destructurable (ie not an array, vector, complex, ---------------- frederick-vs-ja wrote:
I guess we should mention built-in array here. https://github.com/llvm/llvm-project/pull/131515 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
