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fix(storage): no char for std::uniform_int_distribution #9509

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Jul 19, 2022
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fix(storage): no char for std::uniform_int_distribution #9509

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5 changes: 3 additions & 2 deletions google/cloud/storage/internal/invocation_id_generator.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -42,10 +42,11 @@ std::string InvocationIdGenerator::MakeInvocationId() {
auto constexpr kIdBitCount = 128;
auto constexpr kArraySize = kIdBitCount / 8;
std::array<std::uint8_t, kArraySize> buf;
std::uniform_int_distribution<std::uint8_t> d(0, 255);
std::uniform_int_distribution<int> d(0, 255);

std::lock_guard<std::mutex> lk(mu_);
std::generate(buf.begin(), buf.end(), [&] { return d(generator_); });
std::generate(buf.begin(), buf.end(),
[&] { return static_cast<std::uint8_t>(d(generator_)); });
return buf;
}();
o[kVersionOctet] = (o[kVersionOctet] & kVersionMask) | kVersion;
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