ListSignal<E> class
A Signal that holds a List.
- Inheritance
-
- Implemented types
-
- Available extensions
Properties
-
brand
→ Symbol
-
finalinherited
-
debugLabel
→ String?
-
Debug label for Debug Mode
finalinherited
-
first
↔ E
-
The first element.
getter/setter pairoverride
-
globalId
→ int
-
Global ID of the signal
finalinherited
-
hashCode
→ int
-
The hash code for this object.
no setter
-
isEmpty
→ bool
-
Whether this collection has no elements.
no setteroverride
-
isNotEmpty
→ bool
-
Whether this collection has at least one element.
no setteroverride
-
iterator
→ Iterator<E>
-
A new
Iterator
that allows iterating the elements of this Iterable
.
no setteroverride
-
last
↔ E
-
The last element.
getter/setter pairoverride
-
length
↔ int
-
The number of objects in this list.
getter/setter pairoverride
-
previousValue
→ List<E>
-
Get the last value before the last update or the initial value
no setterinherited
-
reversed
→ Iterable<E>
-
An Iterable of the objects in this list in reverse order.
no setteroverride
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
single
→ E
-
Checks that this iterable has only one element, and returns that element.
no setteroverride
-
value
↔ List<E>
-
Compute the current value
getter/setter pairinherited
Methods
-
add(E value)
→ void
-
Adds
value
to the end of this list,
extending the length by one.
override
-
addAll(Iterable<E> iterable)
→ void
-
Appends all objects of
iterable
to the end of this list.
override
-
any(bool test(E element))
→ bool
-
Checks whether any element of this iterable satisfies
test
.
override
-
asMap()
→ Map<int, E>
-
An unmodifiable Map view of this list.
override
-
call()
→ List<E>
-
Return the value when invoked
inherited
-
cast<R>()
→ List<R>
-
Returns a view of this list as a list of
R
instances.
override
-
clear()
→ void
-
Removes all objects from this list; the length of the list becomes zero.
override
-
contains(Object? element)
→ bool
-
Whether the collection contains an element equal to
element
.
override
-
elementAt(int index)
→ E
-
Returns the
index
th element.
override
-
every(bool test(E element))
→ bool
-
Checks whether every element of this iterable satisfies
test
.
override
-
expand<T>(Iterable<T> toElements(E element))
→ Iterable<T>
-
Expands each element of this Iterable into zero or more elements.
override
-
fillRange(int start, int end, [E? fillValue])
→ void
-
Overwrites a range of elements with
fillValue
.
override
-
firstWhere(bool test(E element), {E orElse()?})
→ E
-
The first element that satisfies the given predicate
test
.
override
-
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
override
-
followedBy(Iterable<E> other)
→ Iterable<E>
-
Creates the lazy concatenation of this iterable and
other
.
override
-
forceUpdate(List<E> val)
→ void
-
Should only be called to update the value of a signal if checks for equality
have already been made.
inherited
-
forEach(void action(E element))
→ void
-
Invokes
action
on each element of this iterable in iteration order.
override
-
get()
→ List<E>
-
inherited
-
getRange(int start, int end)
→ Iterable<E>
-
Creates an Iterable that iterates over a range of elements.
override
-
indexOf(E element, [int start = 0])
→ int
-
The first index of
element
in this list.
override
-
indexWhere(bool test(E element), [int start = 0])
→ int
-
The first index in the list that satisfies the provided
test
.
override
-
insert(int index, E element)
→ void
-
Inserts
element
at position index
in this list.
override
-
insertAll(int index, Iterable<E> iterable)
→ void
-
Inserts all objects of
iterable
at position index
in this list.
override
-
join([String separator = ""])
→ String
-
Converts each element to a String and concatenates the strings.
override
-
lastIndexOf(E element, [int? start])
→ int
-
The last index of
element
in this list.
override
-
lastIndexWhere(bool test(E element), [int? start])
→ int
-
The last index in the list that satisfies the provided
test
.
override
-
lastWhere(bool test(E element), {E orElse()?})
→ E
-
The last element that satisfies the given predicate
test
.
override
-
map<T>(T toElement(E e))
→ Iterable<T>
-
The current elements of this iterable modified by
toElement
.
override
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
peek()
→ List<E>
-
In the rare instance that you have an effect that should write to
another signal based on the previous value, but you don't want the
effect to be subscribed to that signal, you can read a signals's
previous value via
signal.peek()
.
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.
override
-
remove(Object? value)
→ bool
-
Removes the first occurrence of
value
from this list.
override
-
removeAt(int index)
→ E
-
Removes the object at position
index
from this list.
override
-
removeLast()
→ E
-
Removes and returns the last object in this list.
override
-
removeRange(int start, int end)
→ void
-
Removes a range of elements from the list.
override
-
removeWhere(bool test(E element))
→ void
-
Removes all objects from this list that satisfy
test
.
override
-
replaceRange(int start, int end, Iterable<E> replacements)
→ void
-
Replaces a range of elements with the elements of
replacements
.
override
-
retainWhere(bool test(E element))
→ void
-
Removes all objects from this list that fail to satisfy
test
.
override
-
set(List<E> value)
→ void
-
Set the current value
inherited
-
setAll(int index, Iterable<E> iterable)
→ void
-
Overwrites elements with the objects of
iterable
.
override
-
setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0])
→ void
-
Writes some elements of
iterable
into a range of this list.
override
-
shuffle([Random? random])
→ void
-
Shuffles the elements of this list randomly.
override
-
singleWhere(bool test(E element), {E orElse()?})
→ E
-
The single element that satisfies
test
.
override
-
skip(int count)
→ Iterable<E>
-
Creates an Iterable that provides all but the first
count
elements.
override
-
skipWhile(bool test(E value))
→ Iterable<E>
-
Creates an
Iterable
that skips leading elements while test
is satisfied.
override
-
sort([int compare(E a, E b)?])
→ void
-
Sorts this list according to the order specified by the
compare
function.
override
-
sorted([int compare(E a, E b)?])
→ List<E>
-
Return a new array that is sorted by the
compare
function
-
sublist(int start, [int? end])
→ List<E>
-
Returns a new list containing the elements between
start
and end
.
override
-
subscribe(void fn(List<E> value))
→ EffectCleanup
-
Subscribe to value changes
inherited
-
take(int count)
→ Iterable<E>
-
Creates a lazy iterable of the
count
first elements of this iterable.
override
-
takeWhile(bool test(E value))
→ Iterable<E>
-
Creates a lazy iterable of the leading elements satisfying
test
.
override
-
toJson()
→ List<E>
-
Convert value to JSON
inherited
-
toList({bool growable = true})
→ List<E>
-
Creates a List containing the elements of this Iterable.
override
-
toSet()
→ Set<E>
-
Creates a Set containing the same elements as this iterable.
override
-
toString()
→ String
-
A string representation of this object.
inherited
-
where(bool test(E element))
→ Iterable<E>
-
Creates a new lazy Iterable with all elements that satisfy the
predicate
test
.
override
-
whereType<T>()
→ Iterable<T>
-
Creates a new lazy Iterable with all elements that have type
T
.
override