onFailure method

void onFailure(
  1. void onFailure(
    1. L l,
    2. StackTrace? s
    )
)

Performs an action on the failure value.

Implementation

void onFailure(void Function(L l, StackTrace? s) onFailure) {
  switch (this) {
    case Success<L, R>():
      break;
    case Failure<L, R>(value: final l, stackTrace: final s):
      onFailure(l, s);
  }
}