Unwrap<T> class
解包转换
Constructors
- Unwrap(T? value)
-
构造函数
value包的值
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- value → T?
-
包的值
final
Methods
-
defaultValue(
T value) → T -
map<
S> (S? callback(T e)) → Unwrap< S> -
解包构造成其他的值
callback构造其他值的回调 -
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