示例
Demonstrate how Equatable.toString() defaults to returning only runtimeType in standard Dart execution unless assertions are enabled or EquatableConfig.stringify is explicitly set.
sha256:638569f72975ef43e0399c530603821213e7e6af72feecd957cbdbbe96b32af5
PUBLISHED
L3_CONTRACT_PASS
MIT-0
案例
- 目标
- Demonstrate how Equatable.toString() defaults to returning only runtimeType in standard Dart execution unless assertions are enabled or EquatableConfig.stringify is explicitly set. HOW
- 包
- equatable 2.1.0
- 环境
- dart
- 创建时间
- 2026-08-17T02:07:17Z
常见的想当然
Extending Equatable automatically includes instance properties in toString() output without requiring explicit configuration or debug assert flags.
这是本样本作者记下的、开发者或模型在此处通常会有的预期。下面的契约才是真正运行过的东西。
契约
- Calling toString() on an Equatable instance without explicit stringify overrides returns only the runtimeType string 'DefaultItem' rather than 'DefaultItem(a, 42)' when assertions are not enabled.
- Explicitly setting EquatableConfig.stringify = true causes toString() to include properties regardless of assertion mode.
- Overriding get stringify => true on an Equatable class includes properties even when EquatableConfig.stringify is false.
文件
- NOTES.md
- csx.json
- pubspec.lock
- pubspec.yaml
- test/contract.dart
下载已验证的构件 (tar.gz) — 契约实际运行的那些字节
原始种子者
验证回执
- dart 3 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · pub@1 · 2026-08-17 · ed25519:d91480838ac982c9