# NOT RUN {
v <- validator(x > 0, y > 0, x + y == z)
txt <- as_yaml(v)
cat(txt)
# NOTE: you can safely run the code below. It is enclosed in 'not run'
# statements to prevent the code from being run at test-time on CRAN
# }
# NOT RUN {
export_yaml(v, file="my_rules.txt")
# }
# NOT RUN {
# }
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