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Prefer std::optional over boost:optional:

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Some of the boost::optionals must remain for now.  Both
boost::beast and SOCI have interfaces that require
boost::optional.
This commit is contained in:
Scott Schurr
2020-11-13 15:09:18 -08:00
committed by Nik Bougalis
parent 85307b29d0
commit 3b33318dc8
241 changed files with 1293 additions and 1248 deletions
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20
src/ripple/overlay/impl/PeerImp.cpp
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@@ -154,18 +154,18 @@ PeerImp::run()
return post(strand_, std::bind(&PeerImp::run, shared_from_this()));
auto parseLedgerHash =
[](std::string const& value) -> boost::optional<uint256> {
[](std::string const& value) -> std::optional<uint256> {
if (uint256 ret; ret.parseHex(value))
return ret;
if (auto const s = base64_decode(value); s.size() == uint256::size())
return uint256{s};
return boost::none;
return std::nullopt;
};
boost::optional<uint256> closed;
boost::optional<uint256> previous;
std::optional<uint256> closed;
std::optional<uint256> previous;
if (auto const iter = headers_.find("Closed-Ledger");
iter != headers_.end())
@@ -575,23 +575,23 @@ PeerImp::fail(std::string const& name, error_code ec)
close();
}
boost::optional<RangeSet<std::uint32_t>>
std::optional<RangeSet<std::uint32_t>>
PeerImp::getShardIndexes() const
{
std::lock_guard l{shardInfoMutex_};
auto it{shardInfo_.find(publicKey_)};
if (it != shardInfo_.end())
return it->second.shardIndexes;
return boost::none;
return std::nullopt;
}
boost::optional<hash_map<PublicKey, PeerImp::ShardInfo>>
std::optional<hash_map<PublicKey, PeerImp::ShardInfo>>
PeerImp::getPeerShardInfo() const
{
std::lock_guard l{shardInfoMutex_};
if (!shardInfo_.empty())
return shardInfo_;
return boost::none;
return std::nullopt;
}
void
@@ -1262,7 +1262,7 @@ PeerImp::onMessage(std::shared_ptr<protocol::TMPeerShardInfo> const& m)
return badData("Invalid shard indexes");
std::uint32_t earliestShard;
boost::optional<std::uint32_t> latestShard;
std::optional<std::uint32_t> latestShard;
{
auto const curLedgerSeq{
app_.getLedgerMaster().getCurrentLedgerIndex()};
@@ -3127,7 +3127,7 @@ PeerImp::getScore(bool haveItem) const
if (haveItem)
score += spHaveItem;
boost::optional<std::chrono::milliseconds> latency;
std::optional<std::chrono::milliseconds> latency;
{
std::lock_guard sl(recentLock_);
latency = latency_;