LazyCell<T extends Object> class abstract interface

A value which is initialized on the first access.

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.

Implemented types

• NullableLazyCell<T>

Implementers

• ConstNonNullableLazyCell
• NonNullableLazyCell

Constructors

LazyCell(T func())

factory

LazyCell.constant(T func(), Object id)

const

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

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.

inherited

isEvaluated() → bool

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

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited