ToOne class Null safety

Inheritance
Available Extensions

Constructors

ToOne(Identifier? identifier)
ToOne.empty()

Properties

first Identifier
Returns the first element.
read-onlyinherited
hashCode int
The hash code for this object.
read-onlyinherited
identifier Identifier?
final
isEmpty bool
Whether this collection has no elements.
read-onlyinherited
isNotEmpty bool
Whether this collection has at least one element.
read-onlyinherited
iterator Iterator<Identifier>
Returns a new Iterator that allows iterating the elements of this Iterable.
read-onlyoverride
last Identifier
Returns the last element.
read-onlyinherited
length int
Returns the number of elements in this.
read-onlyinherited
finalinherited
meta Map<String, Object?>
finalinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
single Identifier
Checks that this iterable has only one element, and returns that element.
read-onlyinherited

Methods

any(bool test(Identifier element)) bool
Checks whether any element of this iterable satisfies test.
inherited
cast<R>() Iterable<R>
Provides a view of this iterable as an iterable of R instances.
inherited
contains(Object? element) bool
Whether the collection contains an element equal to element.
inherited
elementAt(int index) Identifier
Returns the indexth element.
inherited
every(bool test(Identifier element)) bool
Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T> toElements(Identifier element)) Iterable<T>
Expands each element of this Iterable into zero or more elements.
inherited
findIn(ResourceCollection collection) Resource?
Finds the referenced resource in the collection.
firstWhere(bool test(Identifier value), {Identifier orElse()?}) Identifier
Returns the first element that satisfies the given predicate test.
inherited
fold<T>(T initialValue, T combine(T previousValue, Identifier element)) → T
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
inherited
followedBy(Iterable<Identifier> other) Iterable<Identifier>
Returns the lazy concatenation of this iterable and other.
inherited
forEach(void action(Identifier element)) → void
Invokes action on each element of this iterable in iteration order.
inherited
join([String separator = ""]) String
Converts each element to a String and concatenates the strings.
inherited
lastWhere(bool test(Identifier value), {Identifier orElse()?}) Identifier
Returns the last element that satisfies the given predicate test.
inherited
map<T>(T toElement(Identifier element)) Iterable<T>
The current elements of this iterable modified by toElement.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
reduce(Identifier combine(Identifier value, Identifier element)) Identifier
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
singleWhere(bool test(Identifier element), {Identifier orElse()?}) Identifier
Returns the single element that satisfies test.
inherited
skip(int count) Iterable<Identifier>
Returns an Iterable that provides all but the first count elements.
inherited
skipWhile(bool test(Identifier value)) Iterable<Identifier>
Returns an Iterable that skips leading elements while test is satisfied.
inherited
take(int count) Iterable<Identifier>
Returns a lazy iterable of the count first elements of this iterable.
inherited
takeWhile(bool test(Identifier value)) Iterable<Identifier>
Returns a lazy iterable of the leading elements satisfying test.
inherited
toJson() Map<String, dynamic>
override
toList({bool growable = true}) List<Identifier>
Creates a List containing the elements of this Iterable.
inherited
toSet() Set<Identifier>
Creates a Set containing the same elements as this iterable.
inherited
toString() String
A string representation of this object.
inherited
where(bool test(Identifier element)) Iterable<Identifier>
Returns a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereType<T>() Iterable<T>
Returns a new lazy Iterable with all elements that have type T.
inherited

Operators

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