fun test(s: String)
do
print s.length
fun test(s: String)
do
print s.length
- print s.first
- print s.last
- print s[2]
+ print s.chars.first
+ print s.chars.last
+ print s.chars[2]
print s.substring(1, 2)
print s.substring(-1, 2)
print s.substring(1, 0)
print s.substring(1, 2)
print s.substring(-1, 2)
print s.substring(1, 0)