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The yaml document from hell (ruudvanasseldonk.com)

submitted 4 days ago by [email protected] to c/programming

40 comments fedilink hide all child comments

A 10 minute read covering some YAML edge-cases that you should have in mind when writing complex YAML files

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[–] [email protected] 3 points 2 days ago (1 children)

Yaml is a data storage format, why should it have any kind of programmability or even turning completeness?

Those things should be done in the program that uses the data not inside of the data itself.

[–] moonpiedumplings 1 points 1 day ago* (last edited 1 day ago) (1 children)

Yaml is a data storage format

I have literally never seen yaml used as a data storage format, only as a configuration language. Ansible, Kubernetes, Home manager, netplan, and many, many other examples of yaml as a configuration language, but I cannot think of an example of yaml as a data storage format off the top of my head.

Given the:

package {
  name my-pkg
  version "1.2.3"

  dependencies {
    // Nodes can have standalone values as well as
    // key/value pairs.
    lodash "^3.2.1" optional=#true alias=underscore
  }

On the README of the KDL Github, it looks like KDL has a similar goal to be a configuration langauge, rather than a data storage format.

[–] [email protected] 2 points 1 day ago

Configuration is a type of stored data.

Configuration is data that is read and parsed on program startup.

But limiting it to configuration storage only makes it only more absurd to implement turning completeness into the language.