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module interface_05_mod
implicit none
interface a
module procedure a1
module procedure a2
end interface
contains
integer function a1(a)
integer, intent(in) :: a
a1 = a + 1
end function
real function a2(a)
real, intent(in) :: a
a2 = a + 1
end function
end module
program interface_05
use interface_05_mod, only: a
implicit none
integer :: i
real :: r
i = 5
i = a(i)
if (i /= 6) error stop
r = 6
r = a(r)
if (r /= 7) error stop
i = 7
i = a(i)
if (i /= 8) error stop
end program
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