unset method Null safety

void unset(
  1. String key
)

Removes the key.

This is a noop if the key does not exist.

Implementation

void unset(String key) {
  if (isNullOrEmpty(key)) {
    throw ArgumentError.notNull('key');
  }
  _LCDeleteOperation op = new _LCDeleteOperation();
  _applyOperation(key, op);
}