[clangd] Made UniqueFunction's bool conversion explicit

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@321173 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/clangd/Function.h b/clangd/Function.h
index 9cf0b22a..8d1da07d 100644
--- a/clangd/Function.h
+++ b/clangd/Function.h
@@ -49,7 +49,7 @@ public:
                     FunctionCallImpl<typename std::decay<Callable>::type>>(
             std::forward<Callable>(Func))) {}
 
-  operator bool() { return bool(CallablePtr); }
+  explicit operator bool() { return bool(CallablePtr); }
 
   Ret operator()(Args... As) {
     assert(CallablePtr);