[loloquhwonedeo]

despite what the article shows, YAML is NOT a programming language - constructs such as `if`, `when` and others are not generic. Try to feed an ansible playbook to Travis, or get those jinja-like variable substitutions working with a YAML parser that doesn't process them, and things won't work as expected.

[teh_klev]

The article already mentions this:

The problem with these languages embedded into YAML is they are all one-off implementations. TravisCI conditionals have a TravisCI specific syntax, usage, and features. You can't use Travis's concat function or conditional regex in the YAML configuration for your ansible playbooks.