fix(scr/error.rs): Don't require a displayable value

src/error/mod.rs

@@ -20,21 +20,21 @@
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
-use std::{fmt::Display, num::ParseIntError};
+use std::num::ParseIntError;
 
 use thiserror::Error;
 
 use crate::key_repr::{key, keys, Keys};
 
 #[derive(Error, Debug)]
-pub enum TrieInsertError<V: Display> {
-    #[error("The key ('{0}') contains nodes, which already have a value set!")]
+pub enum TrieInsertError<V> {
+    #[error("The key ('{0:#?}') contains nodes, which already have a value set!")]
     KeyPathBlocked(Keys),
 
-    #[error("The key ('{key}') already has a value associatet with it, which is: '{value}'")]
+    #[error("The key ('{key:#?}') already has a value associatet with it, which is: '{value}'")]
     KeyAlreadySet { key: Keys, value: V },
 
-    #[error("The node accessed by this key ('{0}') already has children! You can not set a value for it")]
+    #[error("The node accessed by this key ('{0:#?}') already has children! You can not set a value for it")]
     NodeHasChildren(Keys),
 }
 

src/trie.rs

@@ -29,20 +29,20 @@ use crate::error;
 use super::key_repr::{Key, Keys};
 
 #[derive(Debug, PartialEq, Eq)]
-pub struct Node<V: std::fmt::Display + ToOwned<Owned = V>> {
+pub struct Node<V> {
     children: HashMap<Key, Box<Node<V>>>,
     value: Option<V>,
     is_terminal: bool,
     is_child: bool,
 }
 
-impl<V: std::fmt::Display + ToOwned<Owned = V>> Default for Node<V> {
+impl<V: ToOwned<Owned = V>> Default for Node<V> {
     fn default() -> Self {
         Self::new()
     }
 }
 
-impl<V: std::fmt::Display + ToOwned<Owned = V>> Node<V> {
+impl<V: ToOwned<Owned = V>> Node<V> {
     pub fn new() -> Node<V> {
         Node {
             children: HashMap::new(),