UnmodifiableSetMixin<E> class abstract mixin

Mixin class that implements a throwing version of all set operations that change the Set.

Implemented types
Available extensions

Constructors

UnmodifiableSetMixin.new()

Properties

alsoKnownAs → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of names each emoji is also known as.
no setter
appleNames → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the apple names of the emojis.
no setter
average → double

Available on Iterable<num>, provided by the IterableNumberExtension extension

The arithmetic mean of the elements of a non-empty iterable.
no setter
average → double

Available on Iterable<int>, provided by the IterableIntegerExtension extension

The arithmetic mean of the elements of a non-empty iterable.
no setter
cldr → List<String>

Available on Iterable<Shortcode>, provided by the ShortcodeIterableExtensions extension

Returns the CLDR shortcode list from the iterable of shortcodes.
no setter
cldrShortcodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the CLDR shortcodes for the emojis
no setter
discord → List<String>

Available on Iterable<Shortcode>, provided by the ShortcodeIterableExtensions extension

Returns the Discord shortcode list from the iterable of shortcodes, or null if there isn't one.
no setter
discordShortcodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the Discord-specific shortcodes for the emojis
no setter
fifth → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the fifth element from this iterable.
no setter
fifthOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the fifth element in the iterable if it exists, otherwise returns null.
no setter
first → E
The first element.
no setterinherited
firstOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The first element of this iterator, or null if the iterable is empty.
no setter
firstOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The first element, or null if the iterable is empty.
no setter
flattened → Iterable<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The sequential elements of each iterable in this iterable.
no setter
flattenedToList → List<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The sequential elements of each iterable in this iterable.
no setter
flattenedToSet → Set<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The unique sequential elements of each iterable in this iterable.
no setter
fourth → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the fourth element from this iterable.
no setter
fourthOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the fourth element in the iterable if it exists, otherwise returns null.
no setter
github → List<String>

Available on Iterable<Shortcode>, provided by the ShortcodeIterableExtensions extension

Returns the GitHub shortcode list from the iterable of shortcodes, or null if there isn't one.
no setter
githubShortcodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the GitHub-specific shortcodes for the emojis
no setter
groups → List<Group>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the groups to which the emojis belong
no setter
hashCode → int
The hash code for this object.
no setterinherited
indexed → Iterable<(int, T)>

Available on Iterable<T>, provided by the IterableExtensions extension

Pairs of elements of the indices and elements of this iterable.
no setter
isEmpty → bool
Whether this collection has no elements.
no setterinherited
isNotEmpty → bool
Whether this collection has at least one element.
no setterinherited
iterator → Iterator<E>
An iterator that iterates over the elements of this set.
no setterinherited
last → E
The last element.
no setterinherited
lastOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The last element, or null if the iterable is empty.
no setter
lastOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The last element of this iterable, or null if the iterable is empty.
no setter
length → int
The number of elements in this Iterable.
no setterinherited
max → T

Available on Iterable<T>, provided by the IterableComparableExtension extension

A maximal element of the iterable.
no setter
max → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A maximal element of the iterable.
no setter
max → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A maximal element of the iterable.
no setter
max → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

A maximal element of the iterable.
no setter
maxOrNull → T?

Available on Iterable<T>, provided by the IterableComparableExtension extension

A maximal element of the iterable, or null if the iterable is empty.
no setter
maxOrNull → double?

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A maximal element of the iterable, or null if the iterable is empty.
no setter
maxOrNull → int?

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A maximal element of the iterable, or null if the iterable is empty.
no setter
maxOrNull → num?

Available on Iterable<num>, provided by the IterableNumberExtension extension

A maximal element of the iterable, or null if the iterable is empty.
no setter
min → T

Available on Iterable<T>, provided by the IterableComparableExtension extension

A minimal element of the iterable.
no setter
min → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A minimal element of the iterable.
no setter
min → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

A minimal element of the iterable.
no setter
min → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A minimal element of the iterable.
no setter
minOrNull → T?

Available on Iterable<T>, provided by the IterableComparableExtension extension

A minimal element of the iterable, or null it the iterable is empty.
no setter
minOrNull → double?

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A minimal element of the iterable, or null it the iterable is empty.
no setter
minOrNull → int?

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A minimal element of the iterable, or null it the iterable is empty.
no setter
minOrNull → num?

Available on Iterable<num>, provided by the IterableNumberExtension extension

A minimal element of the iterable, or null it the iterable is empty.
no setter
names → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the names of the emojis.
no setter
nonNulls → Iterable<T>

Available on Iterable<T?>, provided by the NullableIterableExtensions extension

The non-null elements of this iterable.
no setter
penultimate → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the penultimate (second to last) element from this iterable.
no setter
penultimateOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the the penultimate (second to last) element in the iterable if it exists, otherwise returns null.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
second → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the second element from this iterable.
no setter
secondOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the second element in the iterable if it exists, otherwise returns null.
no setter
shortcodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the default (names in snake_case) shortcodes for the emojis.
no setter
shuffled → List<E>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns a new unmodifiable list containing the elements of this list in a random order.
no setter
single → E
Checks that this iterable has only one element, and returns that element.
no setterinherited
singleOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The single element of this iterator, or null.
no setter
singleOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The single element of the iterable, or null.
no setter
sixth → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the sixth element from this iterable.
no setter
sixthOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the sixth element in the iterable if it exists, otherwise returns null.
no setter
slack → List<String>

Available on Iterable<Shortcode>, provided by the ShortcodeIterableExtensions extension

Returns the Slack shortcode list from the iterable of shortcodes,
no setter
slackShortcodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the Slack-specific shortcodes for the emojis
no setter
statuses → List<Status>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the statuses of the emojis.
no setter
subgroups → List<Subgroup>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the subgroups to which the emojis belong
no setter
sum → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

The sum of the elements.
no setter
sum → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

The sum of the elements.
no setter
sum → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

The sum of the elements.
no setter
third → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the third element from this iterable.
no setter
thirdOrNull → E?

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the third element in the iterable if it exists, otherwise returns null.
no setter
unicodes → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all unicode representations of the emojis.
no setter
values → List<double>

Available on Iterable<Version>, provided by the VersionIterableExtensions extension

Returns a list of the values of each Version in the iterable.
no setter
values → List<String>

Available on Iterable<Group>, provided by the GroupIterableExtensions extension

Returns a list of the values of each Group in the iterable.
no setter
values → List<String>

Available on Iterable<HairStyle>, provided by the HairStyleIterableExtensions extension

Returns a list of the values of each HairStyle in the iterable.
no setter
values → List<String>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all emoji values.
no setter
values → List<String>

Available on Iterable<Color>, provided by the ColorIterableExtensions extension

Returns a list of the values of each Color in the iterable.
no setter
values → List<String>

Available on Iterable<SkinTone>, provided by the SkinToneIterableExtensions extension

Returns a list of the values of each SkinTone in the iterable.
no setter
values → List<String>

Available on Iterable<Status>, provided by the StatusIterableExtensions extension

Returns a list of the values of each Status in the iterable.
no setter
values → List<String>

Available on Iterable<Subgroup>, provided by the SubgroupIterableExtensions extension

Returns a list of the values of each Subgroup in the iterable.
no setter
versions → List<Version>

Available on Iterable<Emoji>, provided by the EmojiIterableExtensions extension

Provides a list of all the versions in which each emoji was introduced
no setter
wait → Future<List<T>>

Available on Iterable<Future<T>>, provided by the FutureIterable extension

Waits for futures in parallel.
no setter

Methods

add(E value) → bool
Throws an UnsupportedError; operations that change the set are disallowed.
override
addAll(Iterable<E> elements) → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
any(bool test(E element)) → bool
Checks whether any element of this iterable satisfies test.
inherited
asNameMap() → Map<String, T>

Available on Iterable<T>, provided by the EnumByName extension

Creates a map from the names of enum values to the values.
byName(String name) → T

Available on Iterable<T>, provided by the EnumByName extension

Finds the enum value in this list with name name.
cast<R>() → Set<R>
Provides a view of this set as a set of R instances.
inherited
clear() → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
contains(Object? value) → bool
Whether value is in the set.
inherited
containsAll(Iterable<Object?> other) → bool
Whether this set contains all the elements of other.
inherited
difference(Set<Object?> other) → Set<E>
Creates a new set with the elements of this that are not in other.
inherited
distinct() → List<E>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns a new unmodifiable list containing only the distinct elements from the original list.
elementAt(int index) → E
Returns the indexth element.
inherited
elementAtOrNull(int index) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The indexth element, or null if there is no such element.
elementAtOrNull(int index) → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The element at position index of this iterable, or null.
every(bool test(E element)) → bool
Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T> toElements(E element)) → Iterable<T>
Expands each element of this Iterable into zero or more elements.
inherited
expandIndexed<R>(Iterable<R> expand(int index, T element)) → Iterable<R>

Available on Iterable<T>, provided by the IterableExtension extension

Expands each element and index to a number of elements in a new iterable.
firstWhere(bool test(E element), {E orElse()?}) → E
The first element that satisfies the given predicate test.
inherited
firstWhereIndexed(bool test(int index, E element), {E orElse()?}) → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the first element in the iterable that satisfies the provided test function, along with its index.
firstWhereIndexedOrNull(bool test(int index, T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The first element whose value and index satisfies test.
firstWhereOrNull(bool test(T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The first element satisfying test, or null if there are none.
fold<T>(T initialValue, T combine(T previousValue, E element)) → T
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
inherited
foldIndexed<R>(R initialValue, R combine(int index, R previous, T element)) → R

Available on Iterable<T>, provided by the IterableExtension extension

Combine the elements with a value and the current index.
followedBy(Iterable<E> other) → Iterable<E>
Creates the lazy concatenation of this iterable and other.
inherited
forEach(void action(E element)) → void
Invokes action on each element of this iterable in iteration order.
inherited
forEachIndexed(void action(int index, T element)) → void

Available on Iterable<T>, provided by the IterableExtension extension

Takes an action for each element.
forEachIndexedWhile(bool action(int index, T element)) → void

Available on Iterable<T>, provided by the IterableExtension extension

Takes an action for each element and index as long as desired.
forEachWhile(bool action(T element)) → void

Available on Iterable<T>, provided by the IterableExtension extension

Takes an action for each element as long as desired.
groupFoldBy<K, G>(K keyOf(T element), G combine(G? previous, T element)) → Map<K, G>

Available on Iterable<T>, provided by the IterableExtension extension

Groups elements by keyOf then folds the elements in each group.
groupListsBy<K>(K keyOf(T element)) → Map<K, List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Groups elements into lists by keyOf.
groupSetsBy<K>(K keyOf(T element)) → Map<K, Set<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Groups elements into sets by keyOf.
intersection(Set<Object?> other) → Set<E>
Creates a new set which is the intersection between this set and other.
inherited
isSorted([Comparator<T>? compare]) → bool

Available on Iterable<T>, provided by the IterableComparableExtension extension

Whether the elements are sorted by the compare ordering.
isSorted(Comparator<T> compare) → bool

Available on Iterable<T>, provided by the IterableExtension extension

Whether the elements are sorted by the compare ordering.
isSortedBy<K extends Comparable<K>>(K keyOf(T element)) → bool

Available on Iterable<T>, provided by the IterableExtension extension

Whether the elements are sorted by their keyOf property.
isSortedByCompare<K>(K keyOf(T element), Comparator<K> compare) → bool

Available on Iterable<T>, provided by the IterableExtension extension

Whether the elements are compare-sorted by their keyOf property.
join([String separator = ""]) → String
Converts each element to a String and concatenates the strings.
inherited
lastBy<K>(K key(T)) → Map<K, T>

Available on Iterable<T>, provided by the IterableExtension extension

Associates the elements in this by the value returned by key.
lastWhere(bool test(E element), {E orElse()?}) → E
The last element that satisfies the given predicate test.
inherited
lastWhereIndexed(bool test(int index, E element), {E orElse()?}) → E

Available on Iterable<E>, provided by the IterableExtensions extension

Returns the last element that satisfies the given test function along with its index in the iterable.
lastWhereIndexedOrNull(bool test(int index, T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The last element whose index and value satisfies test.
lastWhereOrNull(bool test(T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The last element satisfying test, or null if there are none.
lookup(Object? object) → E?
If an object equal to object is in the set, return it.
inherited
map<T>(T toElement(E e)) → Iterable<T>
The current elements of this iterable modified by toElement.
inherited
mapIndexed<R>(R convert(int index, T element)) → Iterable<R>

Available on Iterable<T>, provided by the IterableExtension extension

Maps each element and its index to a new value.
mapNotNull<R extends Object>(R? transform(E? e)) → Iterable<R>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns a new iterable where each element is the result of applying the transform function to the corresponding element of this iterable, and then excluding any null results.
none(bool test(T)) → bool

Available on Iterable<T>, provided by the IterableExtension extension

Whether no element satisfies test.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reduce(E combine(E value, E element)) → E
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
reduceIndexed(T combine(int index, T previous, T element)) → T

Available on Iterable<T>, provided by the IterableExtension extension

Combine the elements with each other and the current index.
remove(Object? value) → bool
Throws an UnsupportedError; operations that change the set are disallowed.
override
removeAll(Iterable elements) → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
removeWhere(bool test(E)) → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
retainAll(Iterable elements) → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
retainWhere(bool test(E)) → void
Throws an UnsupportedError; operations that change the set are disallowed.
override
sample(int count, [Random? random]) → List<T>

Available on Iterable<T>, provided by the IterableExtension extension

Selects count elements at random from this iterable.
shuffled([Random? random]) → List<T>

Available on Iterable<T>, provided by the IterableExtension extension

Creates a shuffled list of the elements of the iterable.
singleWhere(bool test(E element), {E orElse()?}) → E
The single element that satisfies test.
inherited
singleWhereIndexedOrNull(bool test(int index, T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The single element satisfying test.
singleWhereOrNull(bool test(T element)) → T?

Available on Iterable<T>, provided by the IterableExtension extension

The single element satisfying test.
skip(int count) → Iterable<E>
Creates an Iterable that provides all but the first count elements.
inherited
skipLast(int count) → Iterable<E>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns an iterable that skips the last count elements of this iterable.
skipWhile(bool test(E value)) → Iterable<E>
Creates an Iterable that skips leading elements while test is satisfied.
inherited
slices(int length) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Contiguous slices of this with the given length.
sorted([Comparator<T>? compare]) → List<T>

Available on Iterable<T>, provided by the IterableComparableExtension extension

Creates a sorted list of the elements of the iterable.
sorted(Comparator<T> compare) → List<T>

Available on Iterable<T>, provided by the IterableExtension extension

Creates a sorted list of the elements of the iterable.
sortedBy<K extends Comparable<K>>(K keyOf(T element)) → List<T>

Available on Iterable<T>, provided by the IterableExtension extension

Creates a sorted list of the elements of the iterable.
sortedByCompare<K>(K keyOf(T element), Comparator<K> compare) → List<T>

Available on Iterable<T>, provided by the IterableExtension extension

Creates a sorted list of the elements of the iterable.
splitAfter(bool test(T element)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks after some elements.
splitAfterIndexed(bool test(int index, T element)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks after some elements and indices.
splitBefore(bool test(T element)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks before some elements.
splitBeforeIndexed(bool test(int index, T element)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks before some elements and indices.
splitBetween(bool test(T first, T second)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks between some elements.
splitBetweenIndexed(bool test(int index, T first, T second)) → Iterable<List<T>>

Available on Iterable<T>, provided by the IterableExtension extension

Splits the elements into chunks between some elements and indices.
take(int count) → Iterable<E>
Creates a lazy iterable of the count first elements of this iterable.
inherited
takeLast(int count) → Iterable<E>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns an iterable that yields the last count elements of this iterable. If count is greater than or equal to the length of this iterable, it returns the original iterable.
takeWhile(bool test(E value)) → Iterable<E>
Creates a lazy iterable of the leading elements satisfying test.
inherited
toList({bool growable = true}) → List<E>
Creates a List containing the elements of this Iterable.
inherited
toSet() → Set<E>
Creates a Set with the same elements and behavior as this Set.
inherited
toString() → String
A string representation of this object.
inherited
toUnmodifiableList() → List<E>

Available on Iterable<E>, provided by the IterableExtensions extension

Returns an unmodifiable List containing all elements from this iterable.
union(Set<E> other) → Set<E>
Creates a new set which contains all the elements of this set and other.
inherited
where(bool test(E element)) → Iterable<E>
Creates a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereIndexed(bool test(int index, T element)) → Iterable<T>

Available on Iterable<T>, provided by the IterableExtension extension

The elements whose value and index satisfies test.
whereNot(bool test(T element)) → Iterable<T>

Available on Iterable<T>, provided by the IterableExtension extension

The elements that do not satisfy test.
whereNotIndexed(bool test(int index, T element)) → Iterable<T>

Available on Iterable<T>, provided by the IterableExtension extension

The elements whose value and index do not satisfy test.
whereNotNull() → Iterable<T>

Available on Iterable<T?>, provided by the IterableNullableExtension extension

The non-null elements of this Iterable.
wherePlatform(Platform platform) → List<String>

Available on Iterable<Shortcode>, provided by the ShortcodeIterableExtensions extension

Returns a list of shortcodes filtered based on the specified platform.
whereType<T>() → Iterable<T>
Creates a new lazy Iterable with all elements that have type T.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited