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[dart] #4 - #1.3 Nullable Variables (06:09) 2 본문

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[dart] #4 - #1.3 Nullable Variables (06:09) 2

devlunch4 2023. 4. 28. 23:46
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void main() {
    String? lunch = 'lunch';
    print(lunch?.isNotEmpty);

    lunch = null;
    print(lunch?.isNotEmpty);
}
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