decode package:json

decode :: JSON a => String -> Result a
json Text.JSON
Decode a String representing a JSON value (either an object, array, bool, number, null) This is a superset of JSON, as types other than Array and Object are allowed at the top level.
decodeStrict :: JSON a => String -> Result a
json Text.JSON
Decode a String representing a strict JSON value. This follows the spec, and requires top level JSON types to be an Array or Object.
decodeJSON :: Data a => String -> a
json Text.JSON.Generic
Decode a string as a value.