alloc: use nested namespace decl

alloc/affix.hpp

@@ -19,13 +19,13 @@
 
 #include <cstddef>
 
-namespace util { namespace alloc {
+namespace util::alloc {
     template <class parent, class prefix, class suffix>
     class affix {
         void* allocate   (size_t bytes, size_t align = alignof (std::max_align_t));
         void  deallocate (void *ptr, size_t bytes, size_t align = alignof (std::max_align_t));
     };
-} }
+}
 
 #include "./affix.hpp"
 

alloc/allocator.hpp

@@ -21,7 +21,7 @@
 
 // C++11 allocator concept conformant allocator adaptor, going from our
 // allocator interface to that of the STL and friends.
-namespace util { namespace alloc {
+namespace util::alloc {
     template <class B, class T>
     class allocator {
     public:
@@ -36,7 +36,7 @@ namespace util { namespace alloc {
     private:
         B &m_backing;
     };
-} }
+}
 
 #include "./allocator.ipp"
 

alloc/arena.hpp

@@ -22,7 +22,7 @@
 #include <memory>
 #include <utility>
 
-namespace util { namespace alloc {
+namespace util::alloc {
     template <class T>
     class arena {
     public:
@@ -64,7 +64,7 @@ namespace util { namespace alloc {
     private:
         T &m_store;
     };
-} }
+}
 
 #include "./arena.ipp"
 

alloc/dynamic.hpp

@@ -20,7 +20,7 @@
 #include <cstddef>
 #include <memory>
 
-namespace util { namespace alloc {
+namespace util::alloc {
     // wraps an allocator given at construction time, forwarding all calls to
     // the inner object. used to allow virtual dispatch of the non-virtual
     // allocator interface.
@@ -172,6 +172,6 @@ namespace util { namespace alloc {
 
         std::unique_ptr<interface> m_child;
     };
-} }
+}
 
 #endif

alloc/fallback.hpp

@@ -19,7 +19,7 @@
 
 #include <cstddef>
 
-namespace util { namespace alloc {
+namespace util::alloc {
     template <class A, class B>
     class fallback {
     public:
@@ -28,6 +28,6 @@ namespace util { namespace alloc {
         void* allocate (size_t bytes, size_t align = alignof (std::max_align_t));
         void deallocate (void *ptr, size_t bytes, size_t align = alignof (std::max_align_t));
     };
-} }
+}
 
 #endif

alloc/fwd.hpp

@@ -18,7 +18,7 @@
 #define __UTIL_ALLOC_FWD_HPP
 
 
-namespace util { namespace alloc {
+namespace util::alloc {
     class affix;
     class dynamic;
     class fallback;
@@ -29,6 +29,6 @@ namespace util { namespace alloc {
 
     template <typename T> class arena;
     template <typename B, typename T> class allocator;
-} }
+}
 
 #endif

alloc/linear.hpp

@@ -19,7 +19,7 @@
 
 #include <cstddef>
 
-namespace util { namespace alloc {
+namespace util::alloc {
     // allocate progressively across a buffer without concern for deallocation.
     // deallocation is a noop; the only way to free allocations is via reset.
     class linear {
@@ -45,7 +45,7 @@ namespace util { namespace alloc {
     protected:
         char *m_begin, *m_end, *m_cursor;
     };
-} }
+}
 
 #include "./linear.hpp"
 

alloc/malloc.hpp

@@ -20,13 +20,13 @@
 #include <cstddef>
 
 
-namespace util { namespace alloc {
+namespace util::alloc {
     class malloc {
     public:
         void* allocate (size_t bytes, size_t align = alignof (std::max_align_t));
         void  deallocate (void *ptr, size_t bytes, size_t align = alignof (std::max_align_t));
     };
-} }
+}
 
 
 #endif

alloc/null.hpp

@@ -20,7 +20,7 @@
 #include <cstddef>
 
 
-namespace util { namespace alloc {
+namespace util::alloc {
     // allocator that always fails, throwing bad_alloc. deallocate will
     // succeed with nullptr as with delete, but is undefined with other values
     // (it is likely to at least assert).
@@ -38,6 +38,6 @@ namespace util { namespace alloc {
         constexpr size_t used     (void) const { return 0u; }
         constexpr size_t remain   (void) const { return 0u; }
     };
-} }
+}
 
 #endif

alloc/stack.hpp

@@ -21,7 +21,7 @@
 #include <cstdint>
 
 
-namespace util { namespace alloc {
+namespace util::alloc {
     // allocate memory from a buffer in a stacklike manner. deallocation that
     // is not correctly ordered has undefined (read 'bad') results.
     class stack {
@@ -48,6 +48,6 @@ namespace util { namespace alloc {
     private:
         char *m_begin, *m_end, *m_cursor;
     };
-} }
+}
 
 #endif