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How to do type casting in dart for string

How to do type casting in dart for string

Casting an object to a string 
use 'as String' at the end of the expression

2

Tyoe casting in dart

void main() {
  var a = 10; // An integer.
  var b = "20"; // A string.
  var c = int.parse(b);
  print(a + c);
}

1

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