| // Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| part of cassowary; |
| |
| enum _SymbolType { invalid, external, slack, error, dummy, } |
| |
| class _Symbol { |
| final _SymbolType type; |
| final int tick; |
| |
| _Symbol(this.type, this.tick); |
| |
| String toString() { |
| String typeString = 'unknown'; |
| switch (type) { |
| case _SymbolType.invalid: |
| typeString = 'i'; |
| break; |
| case _SymbolType.external: |
| typeString = 'v'; |
| break; |
| case _SymbolType.slack: |
| typeString = 's'; |
| break; |
| case _SymbolType.error: |
| typeString = 'e'; |
| break; |
| case _SymbolType.dummy: |
| typeString = 'd'; |
| break; |
| } |
| return '$typeString$tick'; |
| } |
| } |