[Refactor] #3496 optional 型の存在判定 has_value() を撤廃した その6

[hengbandforosx/hengbandosx.git] / src / term / z-rand.cpp

diff --git a/src/term/z-rand.cpp b/src/term/z-rand.cpp
index 2e026f6..44b31ff 100644 (file)
--- a/src/term/z-rand.cpp
+++ b/src/term/z-rand.cpp
@@ -158,7 +158,7 @@ int32_t Rand_external(int32_t m)
 
     static std::optional<Xoshiro128StarStar> urbg_external;
 
-    if (!urbg_external.has_value()) {
+    if (!urbg_external) {
         /* Initialize with new seed */
         auto seed = static_cast<uint32_t>(time(nullptr));
         urbg_external = Xoshiro128StarStar(seed);