CouchDB-0.8.1.1: CouchDB interface Source code Contents Index

Database.CouchDB.JSON

Description

Convenient functions for parsing JSON responses. Use these functions to write the readJSON method of the JSON class.

Synopsis

jsonString :: JSValue -> Result String jsonInt :: Integral n => JSValue -> Result n jsonObject :: JSValue -> Result [(String, JSValue)] jsonField :: JSON a => String -> [(String, JSValue)] -> Result a jsonBool :: JSValue -> Result Bool jsonIsTrue :: String -> [(String, JSValue)] -> Result Bool

Documentation

jsonString :: JSValue -> Result String Source

jsonInt :: Integral n => JSValue -> Result n Source

jsonObject :: JSValue -> Result [(String, JSValue)] Source

jsonField :: JSON a => String -> [(String, JSValue)] -> Result a Source

Extract a field as a value of type a. If the field does not exist or cannot be parsed as type a, fail.

jsonBool :: JSValue -> Result Bool Source

jsonIsTrue :: String -> [(String, JSValue)] -> Result Bool Source

True when the field is defined and is true. Otherwise, False.

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