Question

How to check if set is empty in Dart

Answer 1

void main() {
    var st = {};
    
    if (st.length == 0) {
        print('Empty');
    } else {
        print('Not empty');
    }
}




/*
run:

Empty

*/

 

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Answer 2

void main() {
    var st = {};
    
    if (st.isEmpty) {
        print('Empty');
    } else {
        print('Not empty');
    }
}




/*
run:

Empty

*/

 

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