Add hex_bytes2hex_str_unchecked

Author: aurexav

README.md

@@ -37,6 +37,9 @@
   - type `&[u8] -> String`
 
 #### `hex` Prefixed Functions
+- Convert `HexBytes` to `Hex`
+  - type `&[u8] -> &str`
+  - e.g. `b"0x..." -> "0x..."`
 - Build fixed length `Array` from `Hex`
   - type `&str -> [u8; N]`
 - Convert `Hex` to `Bytes`

src/lib.rs

@@ -231,6 +231,22 @@ pub fn hex_bytes2hex_str(bytes: &[u8]) -> ArrayBytesResult<&str> {
 	})
 }
 
+/// Just like [`hex_bytes2hex_str`] but without the checking.
+///
+/// # Examples
+/// ```
+/// assert_eq!(
+/// 	array_bytes::hex_bytes2hex_str_unchecked(b"0x4c6f7665204a616e6520466f7265766572"),
+/// 	"0x4c6f7665204a616e6520466f7265766572",
+/// );
+/// ```
+pub fn hex_bytes2hex_str_unchecked(bytes: &[u8]) -> &str {
+	unsafe {
+		#[allow(clippy::transmute_bytes_to_str)]
+		mem::transmute(bytes)
+	}
+}
+
 /// [`Bytes`] to [`Hex`].
 ///
 /// # Examples

src/test.rs

@@ -103,6 +103,18 @@ fn hex_bytes2hex_str_should_work() {
 	);
 }
 
+#[test]
+fn hex_bytes2hex_str_unchecked_should_work() {
+	assert_eq!(
+		hex_bytes2hex_str_unchecked(b"0x4c6f7665204a616e6520466f7265766572"),
+		"0x4c6f7665204a616e6520466f7265766572",
+	);
+	assert_eq!(
+		hex_bytes2hex_str_unchecked(b"4c6f7665204a616e6520466f7265766572"),
+		"4c6f7665204a616e6520466f7265766572",
+	);
+}
+
 #[test]
 fn hex2array_should_work() {
 	assert_eq!(hex2array("0x4c6f7665204a616e6520466f7265766572"), Ok(*b"Love Jane Forever"));