if(it instanceof DurationValue) {
throw new DynamicError("err:FORG0006", "Duration values must all be `"
+ firstType + "`, but found `" + it.getType() + "`");
}
DurationValue cmp = (DurationValue) it;
if(cmp.compareTo(min) < 0) {
min = cmp;
}
}
return min;
} else if(TypeUtil.subtypeOf(firstType, StringType.STRING)) {