.

wcfs/internal/xbtree/rangeset.go

@@ -259,7 +259,7 @@ func (S *RangeSet) HasRange(r Range) (yes bool) {
 	}
 
 	// all keys from r are in S if r ∈ [ilo]
-	return r.hi_ <= S.rangev[ilo].hi_
+	return (S.rangev[ilo].lo <= r.lo && r.hi_ <= S.rangev[ilo].hi_)
 }