how to check whether index is exist or not in dart
List<int> numbers = [1, 2, 3, 4, 5,];
//Check if index 7 is valid
if (numbers.asMap().containsKey(7)) {
print('Exists');
} else {
print('Doesn\'t exist');
}how to check whether index is exist or not in dart
List<int> numbers = [1, 2, 3, 4, 5,];
//Check if index 7 is valid
if (numbers.asMap().containsKey(7)) {
print('Exists');
} else {
print('Doesn\'t exist');
}Copyright © 2021 Codeinu
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