A simple macro for generating JSON
let object = json! ;
assert_eq!;
Also contains traits
let map = from_iter;
let out = & as_json_string;
let valid = out == r#"{"k1":"v1","k2":"v2"}"# || out == r#"{"k2":"v2","k1":"v1"}"#;
assert!;
and string JSON escaping
assert_eq!