How do you round a double in Dart to a given degree of precision AFTER the decimal point?

Question

Given a double, I want to round it to a given number of points of precision after the decimal point, similar to PHP\'s round() function.

The closest thing I

Answer 1

void main() {
  int decimals = 2;
  int fac = pow(10, decimals);
  double d = 1.234567889;
  d = (d * fac).round() / fac;
  print("d: $d");
}

Prints: 1.23