kmizu
/ Visitors.scala
Created
January 12, 2012 14:22
A Visitor pattern example, which solved "Expression Problem".
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| trait Visitors { | |
| type V <: Visitor | |
| type E <: Expression | |
| trait Visitor { | |
| def visit(e: Addition): Int | |
| def visit(e: Subtraction): Int | |
| def visit(e: Multiplication): Int | |
| def visit(e: Num): Int | |
| } |
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| import 'dart:async'; | |
| import 'dart:collection' show IterableBase; | |
| import 'dart:typed_data' show Uint8List, ByteData; | |
| import 'dart:ui' as ui; | |
| import 'package:flutter/services.dart' show rootBundle; | |
| import 'package:meta/meta.dart' show immutable, required; | |
| /// Атлас изображений | |
| /// | |
| /// Atlas.init( |
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