iterable property
Returns a Iterable containing all the characters of the string.
If this
is empty, its returns a empty Iterable
print('Activity world'.iterable); // ['H','e','l','l','o',]
print('Activity.iterable); // ['A', ' ', 'B']
Implementation
Iterable<String> get iterable =>
runes.map((int rune) => String.fromCharCode(rune));