[][src]Crate vartyint

Read & Write varint to/from bytes

Writing bytes

use vartyint;
let mut my_bytes = Vec::new();
vartyint::write_i32(1000, &mut my_bytes);
assert_eq!(my_bytes, &[0xd0, 0x0f]);

Reading

Read an integer from a slice of bytes (&[u8]). Upon success, the number, as well as the rest of the bytes is returned. You can "pop off" numbers like this.

use vartyint;
let my_bytes = vec![0x18, 0x01, 0xBF, 0xBB, 0x01];

let (num1, my_bytes) = vartyint::read_i32(&my_bytes).unwrap();
assert_eq!(num1, 12);
assert_eq!(my_bytes, &[0x01, 0xBF, 0xBB, 0x01]);

let (num2, my_bytes) = vartyint::read_i32(&my_bytes).unwrap();
assert_eq!(num2, -1);
assert_eq!(my_bytes, &[0xBF, 0xBB, 0x01]);

let (num3, my_bytes) = vartyint::read_i32(&my_bytes).unwrap();
assert_eq!(num3, -12_000);
assert_eq!(my_bytes, &[]);

// Can't read any more
assert_eq!(vartyint::read_i32(&my_bytes), Err(vartyint::VartyIntError::EmptyBuffer));

Enums

VartyIntError

Error type

VartyIntReadError

Functions

read_i8

Read an integer from this buffer

read_i16

Read an integer from this buffer

read_i32

Read an integer from this buffer

read_i64

Read an integer from this buffer

read_i128

Read an integer from this buffer

read_isize

Read an integer from this buffer

read_u8

Read an integer from this buffer

read_u16

Read an integer from this buffer

read_u32

Read an integer from this buffer

read_u64

Read an integer from this buffer

read_u128

Read an integer from this buffer

read_usize

Read an integer from this buffer

write_i8

Write an integer to this buffer

write_i16

Write an integer to this buffer

write_i32

Write an integer to this buffer

write_i64

Write an integer to this buffer

write_i128

Write an integer to this buffer

write_isize

Write an integer to this buffer

write_u8

Write an integer to this buffer

write_u16

Write an integer to this buffer

write_u32

Write an integer to this buffer

write_u64

Write an integer to this buffer

write_u128

Write an integer to this buffer

write_usize

Write an integer to this buffer