commit 4e5ea292bac18f6af7639cc78752086b30f03391
author Sergiu Deitsch <sergiu.deitsch@gmail.com> Fri Jun 24 00:12:09 2022 +0200
committer Sergiu Deitsch <sergiu.deitsch@gmail.com> Fri Jun 24 00:12:09 2022 +0200
tree eefb6cd22abd893612694866612447be7e96dbad
parent 83f6e0853044c3421a35d684be1a9cd22b87c3ac

Fixed MSVC 2022 warning

MSVC rightfully issues warning C4305: 'if': truncation from 'size_t' to
'bool' in a static_assert condition that implicitly converts sizeof
result to a boolean.

Change-Id: Ie3b913288bfeaa7a4b362ef7f83d2505ed368641

include/ceres/internal/variadic_evaluate.h

diff --git a/include/ceres/internal/variadic_evaluate.h b/include/ceres/internal/variadic_evaluate.h
index 63e5dc2..dcd5227 100644
--- a/include/ceres/internal/variadic_evaluate.h
+++ b/include/ceres/internal/variadic_evaluate.h
@@ -49,7 +49,7 @@
                                  T* output,
                                  std::false_type /*is_dynamic*/,
                                  std::integer_sequence<int, Indices...>) {
-  static_assert(sizeof...(Indices),
+  static_assert(sizeof...(Indices) > 0,
                 "Invalid number of parameter blocks. At least one parameter "
                 "block must be specified.");
   return functor(input[Indices]..., output);