recursive-subst.yaml

doc: |
  A demonstration of having one binding's value reference another
  binding's value.

  Also demonstrates bindings substitution within a string.
labels:
  - selftest
bindings:
  '?A': 'I like {?B}.'
  '?B': '{?C} tacos'
  '?C': 'almost all'
spec:
  phases:
    phase1:
      steps:
        - '$include<include/mock.yaml>'
        - pub:
            payload: '{"want":"tacos"}'
        - recv:
            pattern: '{"want":"?wanted"}'
        - pub:
            payload: '{"said":"{?A}"}'
        - recv:
            pattern: '{"said":"I like almost all {?wanted}."}'