Function encode_bytes 

pub fn encode_bytes(bytes: &[u8], case: HexCase) -> String

Returns the hex encoding of bytes as an owned String.

Example

use datafusion_common::utils::hex::{HexCase, encode_bytes};

assert_eq!(encode_bytes(&[0xde, 0xad, 0xbe, 0xef], HexCase::Lower), "deadbeef");
assert_eq!(encode_bytes(&[0xde, 0xad, 0xbe, 0xef], HexCase::Upper), "DEADBEEF");