Function as_object

atomic-canonical/src/delegation.rs:609–613

(value: &Value)

}

fn as_object(value: &Value) -> Result<&Map<String, Value>> {
    value
        .as_object()
        .ok_or_else(|| CanonicalError::Proof("document is not a JSON object".into()))
}

fn expect_type(value: &Value, expected: &str) -> Result<()> {
    let actual = as_object(value)?.get("@type").and_then(Value::as_str);