fix(apb): is_nothing -> is_empty

apb/src/macros.rs

@@ -308,7 +308,7 @@ pub(crate) use setter;
 
 #[cfg(feature = "unstructured")]
 pub fn set_maybe_node(obj: &mut serde_json::Value, key: &str, node: crate::Node<serde_json::Value>) {
-	if node.is_nothing() {
+	if node.is_empty() {
 		set_maybe_value(obj, key, None)
 	} else {
 		set_maybe_value(obj, key, Some(node.into_inner()))

apb/src/node.rs

@@ -61,7 +61,7 @@ impl<T : super::Base> Node<T> {
 	}
 
 	/// true only if Node is empty
-	pub fn is_nothing(&self) -> bool {
+	pub fn is_empty(&self) -> bool {
 		matches!(self, Node::Empty)
 	}
 
@@ -80,12 +80,6 @@ impl<T : super::Base> Node<T> {
 		matches!(self, Node::Array(_))
 	}
 
-	/// true only if Node is empty
-	pub fn is_empty(&self) -> bool {
-		self.len() == 0
-	}
-
-
 	/// returns number of contained items (links count as items for len)
 	pub fn len(&self) -> usize {
 		match self {