areMat - multiple declarations
Enum member areMat
Check if all types of MatSeq are instantiation of Mat with R rows and C columns
enum areMat(ulong R, ulong C, MatSeq...)
= isMat!(R, C, MatSeq[0]);
Enum member areMat
Check if all types of MatSeq are instantiation of Mat
enum areMat(MatSeq...)
= allSatisfy!(isMat, MatSeq);