std::size, introduced in C++17, allows us to directly obtain the
number of elements of an array.
This is part of an effort to migrate from llvm::Optional to
std::optional:
https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
++I) {
const Optional<COFF::DataDirectory> *DataDirectories =
CP.Obj.OptionalHeader->DataDirectories;
- uint32_t NumDataDir = sizeof(CP.Obj.OptionalHeader->DataDirectories) /
- sizeof(Optional<COFF::DataDirectory>);
+ uint32_t NumDataDir = std::size(CP.Obj.OptionalHeader->DataDirectories);
if (I >= NumDataDir || !DataDirectories[I]) {
OS << zeros(uint32_t(0));
OS << zeros(uint32_t(0));