#! here are some commonly used modules from the ytt library

#@ load("@ytt:regexp", "regexp")
#@ load("@ytt:base64", "base64")
#@ load("@ytt:sha256", "sha256")

regex: #@ regexp.match("[a-z]+[0-9]+", "__hello123__")
sha256: #@ sha256.sum("data")
base64: #@ base64.encode("regular")

#! check out the complete list:
#!   https://carvel.dev/ytt/docs/latest/lang-ref-ytt/
