#@ load("@ytt:overlay", "overlay")

#@ def foer_classes():
type: course
author: Joshua Foer
#@ end

#! overlay.subset() also accepts YAML fragments
#@overlay/match by=overlay.subset(foer_classes())
---
modified: true

#! For more on `overlay.subset()`:
#!   https://carvel.dev/ytt/docs/latest/lang-ref-ytt-overlay/#overlaysubset

#! For more on YAML Fragments:
#!   https://carvel.dev/ytt/docs/latest/lang-ref-yaml-fragment/
