toNum method

num? toNum(
  1. T value
)

Converts a value to num.

Implementation

num? toNum(T value) {
  if (value == null) return null;

  if (value is num) {
    return value;
  } else {
    try {
      return parseNum(value);
    } catch (e) {
      throw StateError("Can't convert type to number: $value");
    }
  }
}