0c3f4d3709
By explicitly checking that the template argument is arithmetic, we avoid exposing internal implementation details in the error message. Bug: webrtc:9709 Change-Id: Ib1c4b46076af36fe0c4aead968487bb441d03b9a Reviewed-on: https://webrtc-review.googlesource.com/c/112422 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25853}