Safe Haskell	Safe-Inferred
Language	Haskell2010

Json.Path

Contents

Synopsis

Documentation

A path to an object.

Constructors

Key !ShortText !Path	JSON path element of a key into an object, "object.key".
Index !Int !Path	JSON path element of an index into an array, "array[index]". Negative numbers result in undefined behavior.
Nil

Instances details

Show Path Source #
Instance details Defined in Json.Path Methods showsPrec :: Int -> Path -> ShowS # show :: Path -> String # showList :: [Path] -> ShowS #
Eq Path Source #
Instance details Defined in Json.Path Methods (==) :: Path -> Path -> Bool # (/=) :: Path -> Path -> Bool #

Encoding

Encode a path.

>>> encode (Key "foo" $ Index 5 $ Key "bar" $ Nil)

Search for an element at the given path. Returns Nothing if anything in the path is missing.

Variant of query that returns Null if anything in the path is missing.