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use const refs for std::function callbacks

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Doug Hoyte
2024-09-05 15:26:57 -04:00
parent db2694809f
commit 4f9f7468ee
3 changed files with 11 additions and 11 deletions
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6
src/DBQuery.h
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@ -226,7 +226,7 @@ struct DBScan : NonCopyable {
refillScanDepth = 10 * initialScanDepth;
}
bool scan(lmdb::txn &txn, std::function<bool(uint64_t)> handleEvent, std::function<bool(uint64_t)> doPause) {
bool scan(lmdb::txn &txn, const std::function<bool(uint64_t)> &handleEvent, const std::function<bool(uint64_t)> &doPause) {
auto cmp = [](auto &a, auto &b){
return a.created() == b.created() ? a.levId() > b.levId() : a.created() > b.created();
};
@ -299,7 +299,7 @@ struct DBQuery : NonCopyable {
DBQuery(const tao::json::value &filter, uint64_t maxLimit = MAX_U64) : sub(Subscription(1, ".", NostrFilterGroup::unwrapped(filter, maxLimit))) {}
// If scan is complete, returns true
bool process(lmdb::txn &txn, std::function<void(const Subscription &, uint64_t)> cb, uint64_t timeBudgetMicroseconds = MAX_U64, bool logMetrics = false) {
bool process(lmdb::txn &txn, const std::function<void(const Subscription &, uint64_t)> &cb, uint64_t timeBudgetMicroseconds = MAX_U64, bool logMetrics = false) {
while (filterGroupIndex < sub.filterGroup.size()) {
const auto &f = sub.filterGroup.filters[filterGroupIndex];
@ -370,7 +370,7 @@ struct DBQuery : NonCopyable {
};
inline void foreachByFilter(lmdb::txn &txn, const tao::json::value &filter, std::function<void(uint64_t)> cb) {
inline void foreachByFilter(lmdb::txn &txn, const tao::json::value &filter, const std::function<void(uint64_t)> &cb) {
DBQuery query(filter);
query.process(txn, [&](const auto &, uint64_t levId){