leb128-u64

Extremely minimal and simple LEB128 u64 encoding/decoding.

Example

let input: u64 = 42;
let mut buf = Vec::new();
leb128_u64::encode(input, &mut buf);
assert_eq!(leb128_u64::encoded_len(input), buf.len());

let output = leb128_u64::decode(&buf[..]);
assert_eq!(input, output);