Storage concept not explained in the reference manual

[shiozaki]

I only see the following. I assume that we need to explicitly define this (have you guys discussed before?). Important because one may want to implement a custom storage class, for instance for Tensor/TensorView using a segment of a pre-allocated memory area.

3.3.1 Storage Concept
Storage is similar to the sequence sontainer defined in C++ Standard, Section 23.2.3, with efficient (constant cost) access to the elements. The following standard containers meet the Storage requirements:
• std::vector • std::array