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Description
A function which takes any Jsonnet value and returns a string with all available information about the contents. It would be similar to manifestJson, but it would also:
(a) include hidden fields (with ::).
(b) functions don't cause an error- instead functions are "serialized" to something like <function>. We could also include argument names (but that is impossible from within Jsonnet).
Useful for debugging (analogues in other languages include Python's repr, Golang go-spew library and PHP var_dump).
Other possible names: std.debug, std.dump, std.spew.