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fortran陣列與指標淺談一

Program vp
    implicit none 
    integer, target  :: x(5) = [1,2,3,4,5]
    integer, pointer :: p(:) => null()
    
    p => x  !.. 指標指向陣列x
    print*, p(1)
    p(-1:) => p  !.. 改變下標範圍
    print*, p(1), size(p)

End program vp