describeEnum function
Returns a short description of an enum value.
Strips off the enum class name from the enumEntry.toString()
.
enum Day {
monday, tuesday, wednesday, thursday, friday, saturday, sunday
}
void validateDescribeEnum() {
assert(Day.monday.toString() == 'Day.monday');
assert(describeEnum(Day.monday) == 'monday');
}
Implementation
String describeEnum(Object enumEntry) {
final String description = enumEntry.toString();
final int indexOfDot = description.indexOf('.');
assert(indexOfDot != -1 && indexOfDot < description.length - 1);
return description.substring(indexOfDot + 1);
}