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graphql / graphql-js
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Repo Added 07 Jul 2015 01:29AM UTC
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pending completion
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leebyron
[Schema] Implementing interfaces with covariant return types.

This proposes loosening the definition of implementing an interface by allowing an implementing field to return a subtype of the interface field's return type.

This example would previously be an illegal schema, but become legal after this diff:

```graphql
interface Friendly {
  bestFriend: Friendly
}

type Person implements Friendly {
  bestFriend: Person
}
```

55 of 55 new or added lines in 3 files covered. (100.0%)

5461 of 5492 relevant lines covered (99.44%)

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Builds Branch Commit Type Ran Committer Via Coverage
652 covariance [Schema] Implementing interfaces with covariant return types. This proposes loosening the definition of implementing an interface by allowing an implementing field to return a subtype of the interface field's return type. This example would prev... push 17 Nov 2015 06:25PM UTC leebyron travis-ci pending completion  
650 covariance [Schema] Implementing interfaces with covariant return types. This proposes loosening the definition of implementing an interface by allowing an implementing field to return a subtype of the interface field's return type. This example would prev... push 17 Nov 2015 06:11PM UTC leebyron travis-ci pending completion  
647 covariance [Schema] Implementing interfaces with covariant return types. This proposes loosening the definition of implementing an interface by allowing an implementing field to return a subtype of the interface field's return type. This example would prev... push 17 Nov 2015 06:42AM UTC leebyron travis-ci pending completion  
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