Return type 'Map<String,Dynamic>' isn't a string, as defined by anonymous closure

Question

I am trying to create a list using List<E>.generate(length, generator) function but it giving an error The return type Map<String, Dynamic> isn't a string, as defined by anonymous closure.

Here is the code.

List<String> _generateList() {
    return List<String>.generate(20, (i) => {"Hello $i"});
}

Error:

Answer 1

List<String> _generateList() {
    return List<String>.generate(20, (i) => "Hello $i");
}

Removed the curly brackets in the return statement.