utils/basic_types library

Typedefs

DataWidgetBuilder<T> = Widget Function(BuildContext context, T data)

IndexedDataWidgetBuilder<T> = Widget Function(BuildContext context, int index, T data)

IndexedValueMapper<T, V> = V Function(int index, T data)

为给定索引 T 类型数据 生成 V 类型值的函数的签名。

NullableDataWidgetBuilder<T> = Widget? Function(BuildContext context, T data)

NullableIndexedDataWidgetBuilder<T> = Widget? Function(BuildContext context, int index, T data)

PickerFuture<T> = Future<T?>? Function(BuildContext context, T? initailValue)

数据选择的函数的签名

ValueChangedForResult<T> = bool Function(T value)

ValueMapper<T, V> = V Function(T data)

为给定 T 类型数据 生成 V 类型值的函数的签名。

VoidCallbackForResult = bool Function()