swapPair method
dynamic
swapPair(
- dynamic pair
Swaps a Pair XY.
Implementation
dynamic swapPair(dynamic pair) {
if (pair == null) {
return null;
} else if (pair is List) {
return swapPairAsList(pair);
} else if (pair is Map) {
return swapPairAsMap(pair);
} else if (pair is Pair) {
return swapPairAsPair(pair);
} else if (pair is String) {
return swapPairAsString(pair);
} else {
throw UnsupportedError(
"Can't swap pair of type ${pair.runtimeType}: $pair");
}
}