add initial legacy pattern corresponding concept and helper function#74

yhmtsai wants to merge 1 commit intodev/yhmtsai/tag_viewSparseBLAS/spblas-reference:dev/yhmtsai/tag_viewfrom

dev/yhmtsai/use_tag_viewSparseBLAS/spblas-reference:dev/yhmtsai/use_tag_viewCopy head branch name to clipboard