Declare single-argument (non-converting) constructors "explicit"

In order to avoid unintended implicit conversions.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/txmempool.h b/src/txmempool.h
index 0b183cbd90..5b0db5266e 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -167,7 +167,7 @@ struct update_ancestor_state
 
 struct update_fee_delta
 {
-    update_fee_delta(int64_t _feeDelta) : feeDelta(_feeDelta) { }
+    explicit update_fee_delta(int64_t _feeDelta) : feeDelta(_feeDelta) { }
 
     void operator() (CTxMemPoolEntry &e) { e.UpdateFeeDelta(feeDelta); }
 
@@ -177,7 +177,7 @@ private:
 
 struct update_lock_points
 {
-    update_lock_points(const LockPoints& _lp) : lp(_lp) { }
+    explicit update_lock_points(const LockPoints& _lp) : lp(_lp) { }
 
     void operator() (CTxMemPoolEntry &e) { e.UpdateLockPoints(lp); }
 
@@ -501,7 +501,7 @@ public:
 
     /** Create a new CTxMemPool.
      */
-    CTxMemPool(CBlockPolicyEstimator* estimator = nullptr);
+    explicit CTxMemPool(CBlockPolicyEstimator* estimator = nullptr);
 
     /**
      * If sanity-checking is turned on, check makes sure the pool is