BLI: improve various C++ data structures

The changes come from the `functions` branch, where I'm using
these structures a lot.

This also includes a new `BLI::Optional<T>` type, which is similar
to `std::Optional<T>` which can be used when Blender starts using
C++17.

1 files changed, 0 insertions, 25 deletions

diff --git a/source/blender/blenlib/BLI_allocator.h b/source/blender/blenlib/BLI_allocator.h
index 82cf76e425c..075c181833c 100644
--- a/source/blender/blenlib/BLI_allocator.h
+++ b/source/blender/blenlib/BLI_allocator.h
@@ -36,7 +36,6 @@
 
 #include "BLI_utildefines.h"
 #include "BLI_math_base.h"
-#include "BLI_temporary_allocator.h"
 
 namespace BLI {
 
@@ -53,7 +52,6 @@ class GuardedAllocator {
 
   void *allocate_aligned(uint size, uint alignment, const char *name)
   {
-    alignment = std::max<uint>(alignment, 8);
     return MEM_mallocN_aligned(size, alignment, name);
   }
 
@@ -102,29 +100,6 @@ class RawAllocator {
   }
 };
 
-/**
- * Use this only under specific circumstances as described in BLI_temporary_allocator.h.
- */
-class TemporaryAllocator {
- public:
-  void *allocate(uint size, const char *UNUSED(name))
-  {
-    return BLI_temporary_allocate(size);
-  }
-
-  void *allocate_aligned(uint size, uint alignment, const char *UNUSED(name))
-  {
-    BLI_assert(alignment <= 64);
-    UNUSED_VARS_NDEBUG(alignment);
-    return BLI_temporary_allocate(size);
-  }
-
-  void deallocate(void *ptr)
-  {
-    BLI_temporary_deallocate(ptr);
-  }
-};
-
 }  // namespace BLI
 
 #endif /* __BLI_ALLOCATOR_H__ */