json

Module json provides JSON encoding and decoding.

Functions

Function signature

marshal(v object) string

Returns a JSON string representing the given value. Raises an error if the value cannot be marshalled.

Example

>>> m := {one: 1, two: 2}
>>> json.marshal(m)
"{\"one\":1,\"two\":2}"

Function signature

unmarshal(s string) object

Returns the value represented by the given JSON string. Raises an error if the string cannot be unmarshalled.

Example

>>> json.unmarshal("{\"one\":1,\"two\":2}")
{"one": 1, "two": 2}
>>> json.unmarshal("{bad") // raises value error

Function signature

valid(s string) bool

Returns whether the given string is valid JSON.

Example

>>> json.valid("42")
true
>>> json.valid("{oops")
false