pub trait ToHex { // Required method fn to_hex(&self) -> String; }
A trait for converting a value to hexadecimal encoding
Converts the value of self to a hex value, returning the owned string.
self
Turn a vector of u8 bytes into a hexadecimal string.
u8
extern crate rustc_serialize; use rustc_serialize::hex::ToHex; fn main () { let str = [52,32].to_hex(); println!("{}", str); }