Make kvp's Debug impls a lot more readable

Author: nightkr

crates/stackable-operator/src/kvp/key.rs

@@ -1,4 +1,9 @@
-use std::{fmt::Display, ops::Deref, str::FromStr, sync::LazyLock};
+use std::{
+    fmt::{Debug, Display},
+    ops::Deref,
+    str::FromStr,
+    sync::LazyLock,
+};
 
 use regex::Regex;
 use snafu::{ensure, ResultExt, Snafu};
@@ -56,12 +61,21 @@ pub enum KeyError {
 /// values.
 ///
 /// [k8s-labels]: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Key {
     prefix: Option<KeyPrefix>,
     name: KeyName,
 }
 
+impl Debug for Key {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        if let Some(prefix) = &self.prefix {
+            write!(f, "{:?}/", prefix)?;
+        }
+        write!(f, "{:?}", self.name)
+    }
+}
+
 impl FromStr for Key {
     type Err = KeyError;
 
@@ -203,9 +217,15 @@ pub enum KeyPrefixError {
 /// [`Deref`], which enables read-only access to the inner value (a [`String`]).
 /// It, however, does not implement [`DerefMut`](std::ops::DerefMut) which would
 /// enable unvalidated mutable access to inner values.
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub struct KeyPrefix(String);
 
+impl Debug for KeyPrefix {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.0)
+    }
+}
+
 impl FromStr for KeyPrefix {
     type Err = KeyPrefixError;
 
@@ -285,9 +305,15 @@ pub enum KeyNameError {
 /// which enables read-only access to the inner value (a [`String`]). It,
 /// however, does not implement [`DerefMut`](std::ops::DerefMut) which would
 /// enable unvalidated mutable access to inner values.
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub struct KeyName(String);
 
+impl Debug for KeyName {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.0)
+    }
+}
+
 impl FromStr for KeyName {
     type Err = KeyNameError;
 

crates/stackable-operator/src/kvp/label/value.rs

@@ -1,4 +1,9 @@
-use std::{fmt::Display, ops::Deref, str::FromStr, sync::LazyLock};
+use std::{
+    fmt::{Debug, Display},
+    ops::Deref,
+    str::FromStr,
+    sync::LazyLock,
+};
 
 use regex::Regex;
 use snafu::{ensure, Snafu};
@@ -43,9 +48,15 @@ pub enum LabelValueError {
 /// unvalidated mutable access to inner values.
 ///
 /// [k8s-labels]: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
-#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, Default, PartialEq, Eq, PartialOrd, Ord)]
 pub struct LabelValue(String);
 
+impl Debug for LabelValue {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.0)
+    }
+}
+
 impl Value for LabelValue {
     type Error = LabelValueError;
 }

crates/stackable-operator/src/kvp/mod.rs

@@ -2,7 +2,7 @@
 //! key/value pairs, like labels and annotations.
 use std::{
     collections::{BTreeMap, BTreeSet},
-    fmt::Display,
+    fmt::{Debug, Display},
     ops::Deref,
     str::FromStr,
 };
@@ -90,7 +90,7 @@ where
 ///
 /// - <https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/>
 /// - <https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/>
-#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord)]
 pub struct KeyValuePair<T>
 where
     T: Value,
@@ -99,6 +99,15 @@ where
     value: T,
 }
 
+impl<T> Debug for KeyValuePair<T>
+where
+    T: Value + Debug,
+{
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}: {:?}", self.key, self.value)
+    }
+}
+
 impl<K, V, T> TryFrom<(K, V)> for KeyValuePair<T>
 where
     K: AsRef<str>,