bytes extended read write
use bytes::{BufMut, Bytes}; use bytes::Buf; use xbinary::*;
rust
fn main()
{
let mut w = XBWrite::new();
w.put_u32_le(0);
w.put_u32_le(1000);
w.write_string_bit7_len("cmd");
w.write_string_u32_le_len("cmd2");
w.bit7_write_u32(111111);
w.bit7_write_u16(65535);
w.put_f64_le(0.555);
w.set_position(0);
let len=w.len() as u32;
w.put_u32_le( len- 4);
let buff = w.flush();
println!("{:#x?}",buff.to_vec());
let mut r = XBRead::new(Bytes::from(buff));
assert_eq!(r.get_u32_le(),len - 4);
assert_eq!(r.get_u32_le(),1000);
assert_eq!(r.read_string_bit7_len().unwrap(),"cmd");
assert_eq!(r.read_string_u32_le().unwrap(),"cmd2");
let (offset,v)=r.read_bit7_u32();
assert_eq!(v,111111);
r.advance(offset);
let (offset,v)=r.read_bit7_u16();
assert_eq!(v,65535);
r.advance(offset);
assert_eq!(r.get_f64_le(),0.555);
}