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Comment by DaiPlusPlus

19 hours ago

Have the idioms of Fortran changed much over the decades? Because idiomatic C++ today is unrecognizable to how people had to write for VC++ Win32 until well-until the 2010s.

Yes, infamously so. It was fixed-width at one point.

My humbling Claude experience was pointing at a codebase it took me weeks to get to a good 2003 standard, and watch it do the next fifteen years, cleanup, refactoring, feature additions that needed the tech debt solved I never got round to first, in minutes.