How to spread a list in dart

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You can now do spreading from Dart 2.3

var a = [0,1,2,3,4];
var b = [6,7,8,9];
var c = [...a,5,...b];

print(c);  // prints: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

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