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module string_86_mod
implicit none
contains
integer pure function blabla(inp) result(r)
integer, intent(in) :: inp
r = inp * 2
end function blabla
end module string_86_mod
program string_86
use string_86_mod
implicit none
integer :: n(5)
character(:), allocatable :: x
integer :: str_len
n(3) = 5
str_len = n(3)
allocate(character(str_len) :: x)
x = tolower(str_len)
print *, x
if (x /= "Hello") error stop
if (len(x) /= 5) error stop
contains
function tolower(len_needed) result(res)
integer, intent(in) :: len_needed
character(len_needed) :: res
res = "Hello"
end function tolower
end program string_86
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