Pass derived type as array

Question

In Fortran, one can operate on arrays, but how can one treat the indices of a derived type as part of an array too? Code would explain what I want to do best:

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Answer 1

You want the compiler to regard mat(:)%c as a 2 x 4 matrix? It doesn't work that way. mat and c are different objects and their ranks don't merge into a single array. mat is a user-defined type and c is a real matrix. Just because you are only using the c-component of mat doesn't mean the compiler will promote c to a higher dimensional real array, based on the dimension of mat.

You could create a new array via X = [ mat(1)%c, mat(2)%c ]. You could use reshape to control the shape.