sha256Digest(bytes: Bytes) (digest: Bytes) pure {
 digest = dever.crypto.sha256(bytes)
}

hmacDigest(key: Secret, bytes: Bytes) (digest: Bytes) pure {
 digest = dever.crypto.hmacSha256(key, bytes)
}

datetimeRoundtrip(text: Text) (formatted: Text) pure {
 formatted = dever.time.formatDatetime(dever.time.parseDatetime(text))
}

dateRoundtrip(text: Text) (formatted: Text) pure {
 formatted = dever.time.formatDate(dever.time.parseDate(text))
}

timeRoundtrip(text: Text) (formatted: Text) pure {
 formatted = dever.time.formatTime(dever.time.parseTime(text))
}

uuidText(value: null) (text: Text?) pure { text = null }
uuidText(value: Uuid) (text: Text?) pure { text = uuid.toText(value) }

uuidRoundtrip(text: Text) (formatted: Text?) pure {
 formatted = uuidText(uuid.parse(text))
}

datetimeBatch(values: List<Text>) (formatted: List<Text>) pure {
 formatted = each(datetimeRoundtrip, values)
}

dateBatch(values: List<Text>) (formatted: List<Text>) pure {
 formatted = each(dateRoundtrip, values)
}

timeBatch(values: List<Text>) (formatted: List<Text>) pure {
 formatted = each(timeRoundtrip, values)
}

uuidBatch(values: List<Text>) (formatted: List<Text?>) pure {
 formatted = each(uuidRoundtrip, values)
}