Jun 8, 2022
1 min read
Learn Swift Fundamentals by preparing for Job Interview, Question 118 For Subscripts
Subscript is not a difficult concept at all, but apple doc explains it in an incomprehensible way .
109) What is subscript? How to declare subscript? Advantages?
Answer:
- Subscript is a shortcut way of accessing Class or Structure’s collection.
- Subscript is a feature that enables classes / structures’ to access their values in a shortcut way.
struct School {
var students: [String] = ["Paige", "Sunghee", "Seunghyun"] subscript(index: Int) -> String {
return students[index]
}}let school: School = School()
print(school.students[0]) // Paige
print(school[1]) // Sunghee
