Update source/containers.tex

Co-authored-by: Jan Schultke <[email protected]>

Author: tkoeppe

source/containers.tex

@@ -24692,11 +24692,14 @@
       constexpr reference operator[](const array<OtherIndexType, rank()>& indices) const;
 
     template<class... OtherIndexTypes>
-      constexpr reference at(OtherIndexTypes... indices) const;                   // freestanding-deleted
+      constexpr reference
+        at(OtherIndexTypes... indices) const;                   // freestanding-deleted
     template<class OtherIndexType>
-      constexpr reference at(span<OtherIndexType, rank()> indices) const;         // freestanding-deleted
+      constexpr reference
+        at(span<OtherIndexType, rank()> indices) const;         // freestanding-deleted
     template<class OtherIndexType>
-      constexpr reference at(const array<OtherIndexType, rank()>& indices) const; // freestanding-deleted
+      constexpr reference
+        at(const array<OtherIndexType, rank()>& indices) const; // freestanding-deleted
 
     constexpr size_type size() const noexcept;
     constexpr bool empty() const noexcept;