! Program to test derived type initializers and constructors program der_init implicit none type t integer :: i integer :: j = 4 end type integer :: m, n ! Explicit initializer type (t) :: var = t(1, 2) ! Type (default) initializer type (t) :: var2 ! Initialization of arrays type (t), dimension(2) :: var3 type (t), dimension(2) :: var4 = (/t(7, 9), t(8, 6)/) if (var%i .ne. 1 .or. var%j .ne. 2) call abort if (var2%j .ne. 4) call abort var2 = t(6, 5) if (var2%i .ne. 6 .or. var2%j .ne. 5) call abort if ((var3(1)%j .ne. 4) .or. (var3(2)%j .ne. 4)) call abort if ((var4(1)%i .ne. 7) .or. (var4(2)%i .ne. 8) & .or. (var4(1)%j .ne. 9) .or. (var4(2)%j .ne. 6)) call abort ! Non-constant constructor n = 1 m = 5 var2 = t(n, n + m) if (var2%i .ne. 1 .or. var2%j .ne. 6) call abort end program