flext
library
Classes
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BoolList
-
A space-efficient list of boolean values.
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CanonicalizedMap<C, K, V>
-
A map whose keys are converted to canonical values of type
C
.
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CaseInsensitiveEquality
-
String equality that's insensitive to differences in ASCII case.
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CombinedIterableView<T>
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A view of several iterables combined sequentially into a single iterable.
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CombinedListView<T>
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A view of several lists combined into a single list.
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CombinedMapView<K, V>
-
Returns a new map that represents maps flattened into a single map.
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DeepCollectionEquality
-
Deep equality on collections.
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DefaultEquality<E>
-
Equality of objects that compares only the natural equality of the objects.
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DelegatingIterable<E>
-
An Iterable that delegates all operations to a base iterable.
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DelegatingList<E>
-
A List that delegates all operations to a base list.
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DelegatingMap<K, V>
-
A Map that delegates all operations to a base map.
-
DelegatingQueue<E>
-
A Queue that delegates all operations to a base queue.
-
DelegatingSet<E>
-
A Set that delegates all operations to a base set.
-
Equality<E>
-
A generic equality relation on objects.
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EqualityBy<E, F>
-
Equality of objects based on derived values.
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EqualityMap<K, V>
-
A Map whose key equality is determined by an Equality object.
-
EqualitySet<E>
-
A Set whose key equality is determined by an Equality object.
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HeapPriorityQueue<E>
-
Heap based priority queue.
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IdentityEquality<E>
-
Equality of objects that compares only the identity of the objects.
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IterableEquality<E>
-
Equality on iterables.
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IterableZip<T>
-
Iterable that iterates over lists of values from other iterables.
-
ListEquality<E>
-
Equality on lists.
-
ListSlice<E>
-
A list view of a range of another list.
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MapEquality<K, V>
-
Equality on maps.
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MapKeySet<E>
-
An unmodifiable Set view of the keys of a Map.
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MapValueSet<K, V>
-
Creates a modifiable Set view of the values of a Map.
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MultiEquality<E>
-
Combines several equalities into a single equality.
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NonGrowableListMixin<E>
-
Mixin class that implements a throwing version of all list operations that
change the List's length.
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NonGrowableListView<E>
-
A fixed-length list.
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PriorityQueue<E>
-
A priority queue is a priority based work-list of elements.
-
QueueList<E>
-
A class that efficiently implements both Queue and List.
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SetEquality<E>
-
Equality of sets.
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UnionSet<E>
-
A single set that provides a view of the union over a set of sets.
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UnionSetController<E>
-
A controller that exposes a view of the union of a collection of sets.
-
UnmodifiableListView<E>
-
An unmodifiable List view of another List.
-
UnmodifiableMapMixin<K, V>
-
Mixin class that implements a throwing version of all map operations that
change the Map.
-
UnmodifiableMapView<K, V>
-
View of a Map that disallow modifying the map.
-
UnmodifiableSetMixin<E>
-
Mixin class that implements a throwing version of all set operations that
change the Set.
-
UnmodifiableSetView<E>
-
An unmodifiable set.
-
UnorderedIterableEquality<E>
-
Equality of the elements of two iterables without considering order.
Functions
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binarySearch<E>(List<E> sortedList, E value, {int compare(E, E)?})
→ int
-
Returns a position of the
value
in sortedList
, if it is there.
-
compareAsciiLowerCase(String a, String b)
→ int
-
Compares
a
and b
lexically, converting ASCII letters to lower case.
-
compareAsciiLowerCaseNatural(String a, String b)
→ int
-
Compares strings
a
and b
according to lower-case
natural sort ordering.
-
compareAsciiUpperCase(String a, String b)
→ int
-
Compares
a
and b
lexically, converting ASCII letters to upper case.
-
compareAsciiUpperCaseNatural(String a, String b)
→ int
-
Compares strings
a
and b
according to upper-case
natural sort ordering.
-
compareNatural(String a, String b)
→ int
-
Compares strings
a
and b
according to natural sort ordering.
-
equalsIgnoreAsciiCase(String a, String b)
→ bool
-
Checks if strings
a
and b
differ only on the case of ASCII letters.
-
groupBy<S, T>(Iterable<S> values, T key(S))
→ Map<T, List<S>>
-
Groups the elements in
values
by the value returned by key
.
-
hashIgnoreAsciiCase(String string)
→ int
-
Hash code for a string which is compatible with equalsIgnoreAsciiCase.
-
insertionSort<E>(List<E> elements, {int compare(E, E)?, int start = 0, int? end})
→ void
-
Sort a list between
start
(inclusive) and end
(exclusive) using
insertion sort.
-
lastBy<S, T>(Iterable<S> values, T key(S))
→ Map<T, S>
-
Associates the elements in
values
by the value returned by key
.
-
lowerBound<E>(List<E> sortedList, E value, {int compare(E, E)?})
→ int
-
Returns the first position in
sortedList
that does not compare less than
value
.
-
mapMap<K1, V1, K2, V2>(Map<K1, V1> map, {K2 key(K1, V1)?, V2 value(K1, V1)?})
→ Map<K2, V2>
-
Creates a new map from
map
with new keys and values.
-
maxBy<S, T>(Iterable<S> values, T orderBy(S), {int compare(T, T)?})
→ S?
-
Returns the element of
values
for which orderBy
returns the maximum
value.
-
mergeMaps<K, V>(Map<K, V> map1, Map<K, V> map2, {V value(V, V)?})
→ Map<K, V>
-
Returns a new map with all key/value pairs in both
map1
and map2
.
-
mergeSort<E>(List<E> elements, {int start = 0, int? end, int compare(E, E)?})
→ void
-
Sorts a list between
start
(inclusive) and end
(exclusive) using the
merge sort algorithm.
-
minBy<S, T>(Iterable<S> values, T orderBy(S), {int compare(T, T)?})
→ S?
-
Returns the element of
values
for which orderBy
returns the minimum
value.
-
reverse<E>(List<E> elements, [int start = 0, int? end])
→ void
-
Reverses a list, or a part of a list, in-place.
-
shuffle(List elements, [int start = 0, int? end, Random? random])
→ void
-
Shuffles a list randomly.
-
stronglyConnectedComponents<T>(Map<T, Iterable<T>> graph)
→ List<Set<T>>
-
Returns the strongly connected components of
graph
, in topological
order.
-
transitiveClosure<T>(Map<T, Iterable<T>> graph)
→ Map<T, Set<T>>
-
Returns the transitive closure of
graph
.