MutableLazy<T> class
Lazily creates T when needed.
gets notified by a reset() call that something
has been modified and it needs to re-create the value.
var number = 1;
var mutableLazy = MutableLazy(() => number * 3);
print(mutableLazy.value); // 3
number = 2;
mutableLazy.reset();
print(mutableLazy.value); // 6
Constructors
-
MutableLazy(InitFunction<
T> function) -
for each initialization, the
functionspecified here gets used and creates the value.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- isValueCreated → bool
-
Returns true if the value has been created and cached.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → T
-
the lazily initialized value.
no setterinherited
Methods
-
call(
) → T -
Returns the lazily initialized value.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
reset(
) → void - Notifies the Lazy object that something that was used in the init function has been changed and it needs to re-initialize next time it tries to get the value.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
dynamic other) → bool -
The equality operator.
inherited