Re: YAML 2.0: drop arbitrary nodes to be used as keys

>On the contrary: Complex objects (structs, records, classes, tuples,
however they are named) are part of most programming languages, and it is
fine to use them as mapping keys. So YAML should support them (see my other
answer for an example).

If something is possible to do it does not mean it should be done.

>Firstly, YAML was designed as a serialization language.
If YAML is used primarily as configuration should it reflect the reality
and adapt ?

>Secondly, allowing this argument would create a chicken-and-egg-problem
There is no problem. Complex keys were introduced many years ago and they
are not used.
No one showed still ANY live example of complex keys.

Andrey

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