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! Test optional character arguments. We still need to pass a string
! length for the absent arguments
program optional_string_1
implicit none
call test(1, "test");
call test(2, c=42, b="Hello World")
contains
subroutine test(i, a, b, c)
integer :: i
character(len=4), optional :: a
character(len=*), optional :: b
integer, optional :: c
if (i .eq. 1) then
if (a .ne. "test") call abort
else
if (b .ne. "Hello World") call abort
if (c .ne. 42) call abort
end if
end subroutine
end program
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