| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Restyler.Config.ExpectedKeys
Documentation
genericParseJSONValidated :: forall a. (Generic a, GFromJSON Zero (Rep a), Selectors (Rep a)) => Options -> Value -> Parser a Source #
validateObjectKeys :: [String] -> HashMap Text v -> Parser () Source #
Validate there are no unexpected keys in an Object
This is provided for convenience in the most common use-case. For a more
flexible interface, see validateExpectedKeyBy
validateExpectedKeyBy Source #
Arguments
| :: String | The label to show as Unknown <label> ... |
| -> (a -> String) | A function to project each valid value as a comparable key |
| -> [a] | The input list of valid items |
| -> String | The input key |
| -> Either String a |
Validate that a key is present in a list of (projected) items
Returns the item found when validation passes.