polledTimeout: ensures timeType is unsigned (#5991)

d-a-v · devyte · commit 6156a541452d · 2019-04-16T14:29:50.000-04:00
diff --git a/cores/esp8266/PolledTimeout.h b/cores/esp8266/PolledTimeout.h
@@ -142,6 +142,7 @@ class timeoutTemplate
 {
 public:
   using timeType = typename TimePolicyT::timeType;
+  static_assert(std::is_unsigned<timeType>::value == true, "timeType must be unsigned");
 
   static constexpr timeType alwaysExpired   = 0;
   static constexpr timeType neverExpires    = std::numeric_limits<timeType>::max();

Original file line number	Diff line number	Diff line change
`@@ -142,6 +142,7 @@ class timeoutTemplate`
`142`	`142`	`{`
`143`	`143`	`public:`
`144`	`144`	`using timeType = typename TimePolicyT::timeType;`
	`145`	`+ static_assert(std::is_unsigned<timeType>::value == true, "timeType must be unsigned");`
`145`	`146`
`146`	`147`	`static constexpr timeType alwaysExpired = 0;`
`147`	`148`	`static constexpr timeType neverExpires = std::numeric_limits<timeType>::max();`