getDayOfMonthSuffix function
Implementation
String getDayOfMonthSuffix(int day) {
if (day >= 11 && day <= 13) {
return 'th';
}
switch (day % 10) {
case 1:
return 'st';
case 2:
return 'nd';
case 3:
return 'rd';
default:
return 'th';
}
}