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module operator_overloading_26_mod
implicit none
type :: result_t
logical :: passed = .false.
end type
interface operator(.and.)
module procedure combine
end interface
contains
elemental function combine(lhs, rhs) result(res)
type(result_t), intent(in) :: lhs, rhs
type(result_t) :: res
res%passed = lhs%passed .and. rhs%passed
end function
end module
program operator_overloading_26
use operator_overloading_26_mod
implicit none
type(result_t) :: a, b, c, d
a = result_t(.true.)
b = result_t(.true.)
c = result_t(.true.)
! Chained overloaded .and. with derived type
d = a .and. b .and. c
if (.not. d%passed) error stop
a = result_t(.false.)
d = a .and. b .and. c
if (d%passed) error stop
print *, "PASSED"
end program
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