$ bash -e -o pipefail -c swiftc Sources/main.swift -o app && ./app --self-test && ./app < examples/input.txt
Tests passed
{"asset":"pump-A","availability":0.75,"downtime":6,"mergedOutages":2,"observed":24}
{"asset":"pump-B","availability":0.9583333333333334,"downtime":1,"mergedOutages":1,"observed":24}

$ ./app
{"asset":"pump-A","availability":0.75,"downtime":6,"mergedOutages":2,"observed":24}
{"asset":"pump-B","availability":0.9583333333333334,"downtime":1,"mergedOutages":1,"observed":24}

$ ./app
Missing input

$ ./app
Invalid CSV row

$ ./app --unsupported
Unsupported command arguments

$ ./app
Input record too large