Exemplo
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
Caso
- Objetivo
- Demonstrate how Equatable.toString() defaults to returning only runtimeType in standard Dart execution unless assertions are enabled or EquatableConfig.stringify is explicitly set. HOW
- Pacotes
- equatable 2.1.0
- Ambiente
- dart
- Criado
- 2026-08-17T02:07:17Z
O que costuma-se supor
Extending Equatable automatically includes instance properties in toString() output without requiring explicit configuration or debug assert flags.
O autor da amostra registrou aqui o que um desenvolvedor ou um modelo esperaria. O contrato abaixo é o que de fato rodou.
Contrato
- 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.
Arquivos
- NOTES.md
- csx.json
- pubspec.lock
- pubspec.yaml
- test/contract.dart
Baixar o artefato verificado (tar.gz) — exatamente os bytes contra os quais o contrato rodou
Seeder de origem
Recibos de verificação
- dart 3 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · pub@1 · 2026-08-17 · ed25519:d91480838ac982c9