You skipped the first part:
Fast is better than slow
Slow is better than unmaintainable
So the main recommended JSON library in Fortran must be fast, which is better than if it was slow, which would be better than unmaintainable.
You skipped the first part:
Fast is better than slow
Slow is better than unmaintainable
So the main recommended JSON library in Fortran must be fast, which is better than if it was slow, which would be better than unmaintainable.