Library provides functions to read numbers from a stream of bytes either in big-endian or little-endian. Functions return Result type.
Add the package to your Cargo.toml:
[dependencies]
endianness = "0.2"and then import it:
extern crate endianness;
use endianness::*;Read signed 16-bit integers:
let v = vec![0, 128, 128, 0];
assert_eq!(-32768, read_i16(&v[0..2], ByteOrder::LittleEndian).unwrap());
assert_eq!(-32768, read_i16(&v[2..4], ByteOrder::BigEndian).unwrap());Read a signed 32-bit integer:
let v = vec![0, 128, 128, 0];
match read_i32(&v, ByteOrder::LittleEndian) {
Ok(n) => println!("Read value {}", n), // 8421376
Err(err) => println!("Error: {}", err),
}Read a single-precision floating point number:
let v = vec![194, 255, 0, 0];
assert_eq!(-127.5, read_f32(&v[0..4], ByteOrder::BigEndian).unwrap());
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