Added to changelog

Signed-off-by: Victor Nordam Suadicani <v.n.suadicani@gmail.com>

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.17.0] - unreleased
 
+### Added
+
+- Added `Debug` implementations on most public types that were missing them. See [PR 71].
+
 ### Changed
 
 - Updates to Rust 2021 Edition. See [PR 65].
@@ -16,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 [PR 65]: https://github.com/prometheus/client_rust/pull/65
 [PR 69]: https://github.com/prometheus/client_rust/pull/69
+[PR 71]: https://github.com/prometheus/client_rust/pull/71
 
 ## [0.16.0]
 

src/metrics/counter.rs

@@ -46,6 +46,7 @@ pub struct Counter<N = u64, A = AtomicU64> {
 }
 
 #[cfg(any(target_arch = "mips", target_arch = "powerpc"))]
+#[derive(Debug)]
 pub struct Counter<N = u32, A = AtomicU32> {
     value: Arc<A>,
     phantom: PhantomData<N>,

src/metrics/exemplar.rs

@@ -37,6 +37,7 @@ pub struct CounterWithExemplar<S, N = u64, A = AtomicU64> {
 }
 
 #[cfg(any(target_arch = "mips", target_arch = "powerpc"))]
+#[derive(Debug)]
 pub struct CounterWithExemplar<S, N = u32, A = AtomicU32> {
     pub(crate) inner: Arc<RwLock<CounterWithExemplarInner<S, N, A>>>,
 }

src/metrics/gauge.rs

@@ -46,6 +46,7 @@ pub struct Gauge<N = u64, A = AtomicU64> {
 }
 
 #[cfg(any(target_arch = "mips", target_arch = "powerpc"))]
+#[derive(Debug)]
 pub struct Gauge<N = u32, A = AtomicU32> {
     value: Arc<A>,
     phantom: PhantomData<N>,