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module functions_51_mod
implicit none
contains
integer pure function multiply_2(inp) result(r)
integer, intent(in) :: inp
r = inp * 2
end function multiply_2
end module functions_51_mod
program functions_51
use functions_51_mod
implicit none
integer :: n(5)
character(:), allocatable :: x
n(3) = 5
x = sayHi()
if (x /= "Hello") error stop
print *, x
contains
character(multiply_2(5)) function sayHi() result(res)
res = "Hello"
end function sayHi
end program functions_51
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