Functions: extend virtual array functionality

This adds support for mutable virtual arrays and provides many utilities
for creating virtual arrays for various kinds of data. This commit is
preparation for D10994.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/blenlib/BLI_span.hh b/source/blender/blenlib/BLI_span.hh
index fe511793c46..c32ba0826df 100644
--- a/source/blender/blenlib/BLI_span.hh
+++ b/source/blender/blenlib/BLI_span.hh
@@ -94,7 +94,7 @@ template<typename T> class Span {
   using iterator = const T *;
   using size_type = int64_t;
 
- private:
+ protected:
   const T *data_ = nullptr;
   int64_t size_ = 0;
 
@@ -477,7 +477,7 @@ template<typename T> class MutableSpan {
   using iterator = T *;
   using size_type = int64_t;
 
- private:
+ protected:
   T *data_;
   int64_t size_;