Mark operator bool explicit

1 files changed, 1 insertions, 7 deletions

diff --git a/Source/cmArchiveWrite.h b/Source/cmArchiveWrite.h
index 6c678ac..6ecdd63 100644
--- a/Source/cmArchiveWrite.h
+++ b/Source/cmArchiveWrite.h
@@ -40,9 +40,6 @@ private:
  */
 class cmArchiveWrite
 {
-  typedef void (cmArchiveWrite::*safe_bool)();
-  void safe_bool_true() {}
-
 public:
   /** Compression type.  */
   enum Compress
@@ -73,10 +70,7 @@ public:
            bool recursive = true);
 
   /** Returns true if there has been no error.  */
-  operator safe_bool() const
-  {
-    return this->Okay() ? &cmArchiveWrite::safe_bool_true : nullptr;
-  }
+  explicit operator bool() const { return this->Okay(); }
 
   /** Returns true if there has been an error.  */
   bool operator!() const { return !this->Okay(); }