firstWhereOrNull method

T? firstWhereOrNull(
  1. bool test(
    1. T
    )
)

Tries to find the first element in the iterable that matches the given test. Returns null if no such element is found.

Example:

var list = [1, 2, 3];
var result = list.firstWhereOrNull((i) => i > 2); // 3

Implementation

T? firstWhereOrNull(bool Function(T) test) {
  for (T element in this) {
    if (test(element)) {
      return element;
    }
  }
  return null;
}