$ bash -e -o pipefail -c swiftc Sources/main.swift -o app && ./app --self-test && ./app < examples/input.txt
Tests passed
{"dischargedAh":6.758955169362245,"energyWh":302.79166666666663,"lowVoltage":false,"remainingHours":5.731887007543569,"stateOfCharge":0.9324104483063774}

$ ./app
{"dischargedAh":6.758955169362245,"energyWh":302.79166666666663,"lowVoltage":false,"remainingHours":5.731887007543569,"stateOfCharge":0.9324104483063774}

$ ./app
Missing input

$ ./app
Invalid CSV row

$ ./app --unsupported
Unsupported command arguments

$ ./app
Input record too large