1 files changed, 35 insertions, 0 deletions
diff --git a/vendor/base16ct/src/display.rs b/vendor/base16ct/src/display.rs
new file mode 100644
index 000000000..1397a91dd
--- /dev/null
+++ b/vendor/base16ct/src/display.rs
@@ -0,0 +1,35 @@
+use core::fmt;
+
+/// `core::fmt` presenter for binary data encoded as hexadecimal (Base16).
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+pub struct HexDisplay<'a>(pub &'a [u8]);
+
+impl fmt::Display for HexDisplay<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:X}", self)
+    }
+}
+
+impl fmt::UpperHex for HexDisplay<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let mut hex = [0u8; 2];
+
+        for &byte in self.0 {
+            f.write_str(crate::upper::encode_str(&[byte], &mut hex)?)?;
+        }
+
+        Ok(())
+    }
+}
+
+impl fmt::LowerHex for HexDisplay<'_> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let mut hex = [0u8; 2];
+
+        for &byte in self.0 {
+            f.write_str(crate::lower::encode_str(&[byte], &mut hex)?)?;
+        }
+
+        Ok(())
+    }
+}