warning: enumeral and non-enumeral type in conditional expression

mutouyun · web-flow · commit 74e871e6e404 · 2021-10-14T22:37:22.000+08:00
diff --git a/src/libipc/queue.h b/src/libipc/queue.h
@@ -144,7 +144,7 @@ class queue_base : public queue_conn {
     }
 
     std::size_t conn_count() const noexcept {
-        return (elems_ == nullptr) ? invalid_value : elems_->conn_count();
+        return (elems_ == nullptr) ? static_cast<std::size_t>(invalid_value) : elems_->conn_count();
     }
 
     bool valid() const noexcept {

Original file line number	Diff line number	Diff line change
`@@ -144,7 +144,7 @@ class queue_base : public queue_conn {`
`144`	`144`	`}`
`145`	`145`
`146`	`146`	`std::size_t conn_count() const noexcept {`
`147`		`- return (elems_ == nullptr) ? invalid_value : elems_->conn_count();`
	`147`	`+ return (elems_ == nullptr) ? static_cast<std::size_t>(invalid_value) : elems_->conn_count();`
`148`	`148`	`}`
`149`	`149`
`150`	`150`	`bool valid() const noexcept {`