Immutable function arguments and variables

1. Dev A: “Fortran is totally outdated.”
2. Dev B: “I wish we could declare objects in function arguments or variable values as immutable in Java and Javascript.”

Fortran developer silently weeps:

! immutable 2D array as argument in Fortran
  integer, intent(in) :: arg(:,:)
! constant value
  character(len=10), parameter :: numbers = "0123456789"

See parameter vs. intent(in) [1].

(yes, I’m currently reading a Javascript book)

If you now want to see more of Fortran:

• Fortran Surprises [2]
• Writing a commandline tool in Fortran [3]