NullableMapConversionX<K, V> extension

Conversion helpers for nullable maps.

on

Methods

tryGetBigInt(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, BigInt? defaultValue, ElementConverter<BigInt>? converter}) → BigInt?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to BigInt.
tryGetBool(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, bool? defaultValue, ElementConverter<bool>? converter}) → bool?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to bool.
tryGetDateTime(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, String? format, String? locale, bool autoDetectFormat = false, bool useCurrentLocale = false, bool utc = false, DateTime? defaultValue, ElementConverter<DateTime>? converter}) → DateTime?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to DateTime.
tryGetDouble(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, double? defaultValue, String? format, String? locale, ElementConverter<double>? converter}) → double?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to double.
tryGetEnum<T extends Enum>(K key, {required T parser(dynamic), List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, T? defaultValue, Map<String, dynamic>? debugInfo}) → T?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to an enum using parser.
tryGetInt(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, int? defaultValue, String? format, String? locale, ElementConverter<int>? converter}) → int?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to int.
tryGetList<T>(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, List<T>? defaultValue, ElementConverter<T>? elementConverter}) → List<T>?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to a List of T.
tryGetMap<K2, V2>(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, Map<K2, V2>? defaultValue, ElementConverter<K2>? keyConverter, ElementConverter<V2>? valueConverter}) → Map<K2, V2>?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to a Map of K2 to V2.
tryGetNum(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, num? defaultValue, String? format, String? locale, ElementConverter<num>? converter}) → num?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to num.
tryGetSet<T>(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, Set<T>? defaultValue, ElementConverter<T>? elementConverter}) → Set<T>?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to a Set of T.
tryGetString(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, String? defaultValue, ElementConverter<String>? converter}) → String?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to String.
tryGetUri(K key, {List<K>? alternativeKeys, dynamic innerKey, int? innerListIndex, Uri? defaultValue, ElementConverter<Uri>? converter}) → Uri?

Available on Map<K, V>?, provided by the NullableMapConversionX extension

Tries to convert the value at key (or alternativeKeys) to Uri.