diff --git a/src/data/binary.rs b/src/data/binary.rs
index 2618a828..c88ea396 100644
--- a/src/data/binary.rs
+++ b/src/data/binary.rs
@@ -1,4 +1,4 @@
-use crate::{tags, Result, Stream, Value};
+use crate::{tags, Result, Stream, Value, std::fmt};
 
 /**
 An adapter that streams a slice of 8bit unsigned integers as binary.
@@ -27,6 +27,12 @@ impl BinarySlice {
     }
 }
 
+impl fmt::Debug for BinarySlice {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl AsRef<[u8]> for BinarySlice {
     #[inline(always)]
     fn as_ref(&self) -> &[u8] {
@@ -74,6 +80,12 @@ impl<const N: usize> BinaryArray<N> {
     }
 }
 
+impl<const N: usize> fmt::Debug for BinaryArray<N> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl<const N: usize> AsRef<[u8; N]> for BinaryArray<N> {
     #[inline(always)]
     fn as_ref(&self) -> &[u8; N] {
diff --git a/src/data/map.rs b/src/data/map.rs
index adc76912..9b29581c 100644
--- a/src/data/map.rs
+++ b/src/data/map.rs
@@ -1,4 +1,4 @@
-use crate::{Result, Stream, Value};
+use crate::{Result, Stream, Value, std::fmt};
 
 /**
 An adapter that streams a slice of key-value pairs as a map.
@@ -23,6 +23,12 @@ impl<K, V> MapSlice<K, V> {
     }
 }
 
+impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for MapSlice<K, V> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Debug::fmt(&self.0, f)
+    }
+}
+
 impl<K, V> AsRef<[(K, V)]> for MapSlice<K, V> {
     fn as_ref(&self) -> &[(K, V)] {
         &self.0