NullableLazyCell<T> class

A value which is initialized on the first access. Nullable implementation of LazyCell

Equality: Cells are equal if they have the same evaluated value or are unevaluated.

Hash: Cells hash to their evaluated value or hash the same if unevaluated.

Constructors

NullableLazyCell(T _func())

Properties

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call() → T

Lazily evaluates the function passed into the constructor.

force() → T

Lazily evaluates the function passed into the constructor.

isEvaluated() → bool

Returns true if this has already been called, otherwise false.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override