[−][src]Trait byteorder::ByteOrder
ByteOrder
describes types that can serialize integers as bytes.
Note that Self
does not appear anywhere in this trait's definition!
Therefore, in order to use it, you'll need to use syntax like
T::read_u16(&[0, 1])
where T
implements ByteOrder
.
This crate provides two types that implement ByteOrder
: BigEndian
and LittleEndian
.
This trait is sealed and cannot be implemented for callers to avoid
breaking backwards compatibility when adding new derived traits.
Examples
Write and read u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 4]; LittleEndian::write_u32(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u32(&buf));
Write and read i16
numbers in big endian order:
use byteorder::{ByteOrder, BigEndian}; let mut buf = [0; 2]; BigEndian::write_i16(&mut buf, -5_000); assert_eq!(-5_000, BigEndian::read_i16(&buf));
Required methods
pub fn read_u16(buf: &[u8]) -> u16
[src]
pub fn read_u32(buf: &[u8]) -> u32
[src]
Reads an unsigned 32 bit integer from buf
.
Panics
Panics when buf.len() < 4
.
Examples
Write and read u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 4]; LittleEndian::write_u32(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u32(&buf));
pub fn read_u64(buf: &[u8]) -> u64
[src]
Reads an unsigned 64 bit integer from buf
.
Panics
Panics when buf.len() < 8
.
Examples
Write and read u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 8]; LittleEndian::write_u64(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u64(&buf));
pub fn read_u128(buf: &[u8]) -> u128
[src]
Reads an unsigned 128 bit integer from buf
.
Panics
Panics when buf.len() < 16
.
Examples
Write and read u128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 16]; LittleEndian::write_u128(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u128(&buf));
pub fn read_uint(buf: &[u8], nbytes: usize) -> u64
[src]
Reads an unsigned n-bytes integer from buf
.
Panics
Panics when nbytes < 1
or nbytes > 8
or
buf.len() < nbytes
Examples
Write and read an n-byte number in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_uint(&mut buf, 1_000_000, 3); assert_eq!(1_000_000, LittleEndian::read_uint(&buf, 3));
pub fn read_uint128(buf: &[u8], nbytes: usize) -> u128
[src]
Reads an unsigned n-bytes integer from buf
.
Panics
Panics when nbytes < 1
or nbytes > 16
or
buf.len() < nbytes
Examples
Write and read an n-byte number in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_uint128(&mut buf, 1_000_000, 3); assert_eq!(1_000_000, LittleEndian::read_uint128(&buf, 3));
pub fn write_u16(buf: &mut [u8], n: u16)
[src]
Writes an unsigned 16 bit integer n
to buf
.
Panics
Panics when buf.len() < 2
.
Examples
Write and read u16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 2]; LittleEndian::write_u16(&mut buf, 1_000); assert_eq!(1_000, LittleEndian::read_u16(&buf));
pub fn write_u32(buf: &mut [u8], n: u32)
[src]
Writes an unsigned 32 bit integer n
to buf
.
Panics
Panics when buf.len() < 4
.
Examples
Write and read u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 4]; LittleEndian::write_u32(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u32(&buf));
pub fn write_u64(buf: &mut [u8], n: u64)
[src]
Writes an unsigned 64 bit integer n
to buf
.
Panics
Panics when buf.len() < 8
.
Examples
Write and read u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 8]; LittleEndian::write_u64(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u64(&buf));
pub fn write_u128(buf: &mut [u8], n: u128)
[src]
Writes an unsigned 128 bit integer n
to buf
.
Panics
Panics when buf.len() < 16
.
Examples
Write and read u128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 16]; LittleEndian::write_u128(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u128(&buf));
pub fn write_uint(buf: &mut [u8], n: u64, nbytes: usize)
[src]
Writes an unsigned integer n
to buf
using only nbytes
.
Panics
If n
is not representable in nbytes
, or if nbytes
is > 8
, then
this method panics.
Examples
Write and read an n-byte number in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_uint(&mut buf, 1_000_000, 3); assert_eq!(1_000_000, LittleEndian::read_uint(&buf, 3));
pub fn write_uint128(buf: &mut [u8], n: u128, nbytes: usize)
[src]
Writes an unsigned integer n
to buf
using only nbytes
.
Panics
If n
is not representable in nbytes
, or if nbytes
is > 16
, then
this method panics.
Examples
Write and read an n-byte number in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_uint128(&mut buf, 1_000_000, 3); assert_eq!(1_000_000, LittleEndian::read_uint128(&buf, 3));
pub fn read_u16_into(src: &[u8], dst: &mut [u16])
[src]
Reads unsigned 16 bit integers from src
into dst
.
Panics
Panics when src.len() != 2*dst.len()
.
Examples
Write and read u16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 8]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u16_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u16_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_u32_into(src: &[u8], dst: &mut [u32])
[src]
Reads unsigned 32 bit integers from src
into dst
.
Panics
Panics when src.len() != 4*dst.len()
.
Examples
Write and read u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u32_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u32_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_u64_into(src: &[u8], dst: &mut [u64])
[src]
Reads unsigned 64 bit integers from src
into dst
.
Panics
Panics when src.len() != 8*dst.len()
.
Examples
Write and read u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u64_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u64_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_u128_into(src: &[u8], dst: &mut [u128])
[src]
Reads unsigned 128 bit integers from src
into dst
.
Panics
Panics when src.len() != 16*dst.len()
.
Examples
Write and read u128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 64]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u128_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u128_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_u16_into(src: &[u16], dst: &mut [u8])
[src]
Writes unsigned 16 bit integers from src
into dst
.
Panics
Panics when dst.len() != 2*src.len()
.
Examples
Write and read u16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 8]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u16_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u16_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_u32_into(src: &[u32], dst: &mut [u8])
[src]
Writes unsigned 32 bit integers from src
into dst
.
Panics
Panics when dst.len() != 4*src.len()
.
Examples
Write and read u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u32_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u32_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_u64_into(src: &[u64], dst: &mut [u8])
[src]
Writes unsigned 64 bit integers from src
into dst
.
Panics
Panics when dst.len() != 8*src.len()
.
Examples
Write and read u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u64_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u64_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_u128_into(src: &[u128], dst: &mut [u8])
[src]
Writes unsigned 128 bit integers from src
into dst
.
Panics
Panics when dst.len() != 16*src.len()
.
Examples
Write and read u128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 64]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_u128_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_u128_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn from_slice_u16(numbers: &mut [u16])
[src]
Converts the given slice of unsigned 16 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_u16(&mut numbers); assert_eq!(numbers, [5u16.to_be(), 65000u16.to_be()]);
pub fn from_slice_u32(numbers: &mut [u32])
[src]
Converts the given slice of unsigned 32 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_u32(&mut numbers); assert_eq!(numbers, [5u32.to_be(), 65000u32.to_be()]);
pub fn from_slice_u64(numbers: &mut [u64])
[src]
Converts the given slice of unsigned 64 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_u64(&mut numbers); assert_eq!(numbers, [5u64.to_be(), 65000u64.to_be()]);
pub fn from_slice_u128(numbers: &mut [u128])
[src]
Converts the given slice of unsigned 128 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_u128(&mut numbers); assert_eq!(numbers, [5u128.to_be(), 65000u128.to_be()]);
pub fn from_slice_f32(numbers: &mut [f32])
[src]
Converts the given slice of IEEE754 single-precision (4 bytes) floating point numbers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
pub fn from_slice_f64(numbers: &mut [f64])
[src]
Converts the given slice of IEEE754 double-precision (8 bytes) floating point numbers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Provided methods
pub fn read_u24(buf: &[u8]) -> u32
[src]
Reads an unsigned 24 bit integer from buf
, stored in u32.
Panics
Panics when buf.len() < 3
.
Examples
Write and read 24 bit u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_u24(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u24(&buf));
pub fn read_u48(buf: &[u8]) -> u64
[src]
Reads an unsigned 48 bit integer from buf
, stored in u64.
Panics
Panics when buf.len() < 6
.
Examples
Write and read 48 bit u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 6]; LittleEndian::write_u48(&mut buf, 1_000_000_000_000); assert_eq!(1_000_000_000_000, LittleEndian::read_u48(&buf));
pub fn write_u24(buf: &mut [u8], n: u32)
[src]
Writes an unsigned 24 bit integer n
to buf
, stored in u32.
Panics
Panics when buf.len() < 3
.
Examples
Write and read 24 bit u32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_u24(&mut buf, 1_000_000); assert_eq!(1_000_000, LittleEndian::read_u24(&buf));
pub fn write_u48(buf: &mut [u8], n: u64)
[src]
Writes an unsigned 48 bit integer n
to buf
, stored in u64.
Panics
Panics when buf.len() < 6
.
Examples
Write and read 48 bit u64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 6]; LittleEndian::write_u48(&mut buf, 1_000_000_000_000); assert_eq!(1_000_000_000_000, LittleEndian::read_u48(&buf));
pub fn read_i16(buf: &[u8]) -> i16
[src]
Reads a signed 16 bit integer from buf
.
Panics
Panics when buf.len() < 2
.
Examples
Write and read i16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 2]; LittleEndian::write_i16(&mut buf, -1_000); assert_eq!(-1_000, LittleEndian::read_i16(&buf));
pub fn read_i24(buf: &[u8]) -> i32
[src]
Reads a signed 24 bit integer from buf
, stored in i32.
Panics
Panics when buf.len() < 3
.
Examples
Write and read 24 bit i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_i24(&mut buf, -1_000_000); assert_eq!(-1_000_000, LittleEndian::read_i24(&buf));
pub fn read_i32(buf: &[u8]) -> i32
[src]
Reads a signed 32 bit integer from buf
.
Panics
Panics when buf.len() < 4
.
Examples
Write and read i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 4]; LittleEndian::write_i32(&mut buf, -1_000_000); assert_eq!(-1_000_000, LittleEndian::read_i32(&buf));
pub fn read_i48(buf: &[u8]) -> i64
[src]
Reads a signed 48 bit integer from buf
, stored in i64.
Panics
Panics when buf.len() < 6
.
Examples
Write and read 48 bit i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 6]; LittleEndian::write_i48(&mut buf, -1_000_000_000_000); assert_eq!(-1_000_000_000_000, LittleEndian::read_i48(&buf));
pub fn read_i64(buf: &[u8]) -> i64
[src]
Reads a signed 64 bit integer from buf
.
Panics
Panics when buf.len() < 8
.
Examples
Write and read i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 8]; LittleEndian::write_i64(&mut buf, -1_000_000_000); assert_eq!(-1_000_000_000, LittleEndian::read_i64(&buf));
pub fn read_i128(buf: &[u8]) -> i128
[src]
Reads a signed 128 bit integer from buf
.
Panics
Panics when buf.len() < 16
.
Examples
Write and read i128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 16]; LittleEndian::write_i128(&mut buf, -1_000_000_000); assert_eq!(-1_000_000_000, LittleEndian::read_i128(&buf));
pub fn read_int(buf: &[u8], nbytes: usize) -> i64
[src]
Reads a signed n-bytes integer from buf
.
Panics
Panics when nbytes < 1
or nbytes > 8
or
buf.len() < nbytes
Examples
Write and read n-length signed numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_int(&mut buf, -1_000, 3); assert_eq!(-1_000, LittleEndian::read_int(&buf, 3));
pub fn read_int128(buf: &[u8], nbytes: usize) -> i128
[src]
Reads a signed n-bytes integer from buf
.
Panics
Panics when nbytes < 1
or nbytes > 16
or
buf.len() < nbytes
Examples
Write and read n-length signed numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_int128(&mut buf, -1_000, 3); assert_eq!(-1_000, LittleEndian::read_int128(&buf, 3));
pub fn read_f32(buf: &[u8]) -> f32
[src]
Reads a IEEE754 single-precision (4 bytes) floating point number.
Panics
Panics when buf.len() < 4
.
Examples
Write and read f32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let e = 2.71828; let mut buf = [0; 4]; LittleEndian::write_f32(&mut buf, e); assert_eq!(e, LittleEndian::read_f32(&buf));
pub fn read_f64(buf: &[u8]) -> f64
[src]
Reads a IEEE754 double-precision (8 bytes) floating point number.
Panics
Panics when buf.len() < 8
.
Examples
Write and read f64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let phi = 1.6180339887; let mut buf = [0; 8]; LittleEndian::write_f64(&mut buf, phi); assert_eq!(phi, LittleEndian::read_f64(&buf));
pub fn write_i16(buf: &mut [u8], n: i16)
[src]
Writes a signed 16 bit integer n
to buf
.
Panics
Panics when buf.len() < 2
.
Examples
Write and read i16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 2]; LittleEndian::write_i16(&mut buf, -1_000); assert_eq!(-1_000, LittleEndian::read_i16(&buf));
pub fn write_i24(buf: &mut [u8], n: i32)
[src]
Writes a signed 24 bit integer n
to buf
, stored in i32.
Panics
Panics when buf.len() < 3
.
Examples
Write and read 24 bit i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_i24(&mut buf, -1_000_000); assert_eq!(-1_000_000, LittleEndian::read_i24(&buf));
pub fn write_i32(buf: &mut [u8], n: i32)
[src]
Writes a signed 32 bit integer n
to buf
.
Panics
Panics when buf.len() < 4
.
Examples
Write and read i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 4]; LittleEndian::write_i32(&mut buf, -1_000_000); assert_eq!(-1_000_000, LittleEndian::read_i32(&buf));
pub fn write_i48(buf: &mut [u8], n: i64)
[src]
Writes a signed 48 bit integer n
to buf
, stored in i64.
Panics
Panics when buf.len() < 6
.
Examples
Write and read 48 bit i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 6]; LittleEndian::write_i48(&mut buf, -1_000_000_000_000); assert_eq!(-1_000_000_000_000, LittleEndian::read_i48(&buf));
pub fn write_i64(buf: &mut [u8], n: i64)
[src]
Writes a signed 64 bit integer n
to buf
.
Panics
Panics when buf.len() < 8
.
Examples
Write and read i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 8]; LittleEndian::write_i64(&mut buf, -1_000_000_000); assert_eq!(-1_000_000_000, LittleEndian::read_i64(&buf));
pub fn write_i128(buf: &mut [u8], n: i128)
[src]
Writes a signed 128 bit integer n
to buf
.
Panics
Panics when buf.len() < 16
.
Examples
Write and read n-byte i128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 16]; LittleEndian::write_i128(&mut buf, -1_000_000_000); assert_eq!(-1_000_000_000, LittleEndian::read_i128(&buf));
pub fn write_int(buf: &mut [u8], n: i64, nbytes: usize)
[src]
Writes a signed integer n
to buf
using only nbytes
.
Panics
If n
is not representable in nbytes
, or if nbytes
is > 8
, then
this method panics.
Examples
Write and read an n-byte number in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_int(&mut buf, -1_000, 3); assert_eq!(-1_000, LittleEndian::read_int(&buf, 3));
pub fn write_int128(buf: &mut [u8], n: i128, nbytes: usize)
[src]
Writes a signed integer n
to buf
using only nbytes
.
Panics
If n
is not representable in nbytes
, or if nbytes
is > 16
, then
this method panics.
Examples
Write and read n-length signed numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut buf = [0; 3]; LittleEndian::write_int128(&mut buf, -1_000, 3); assert_eq!(-1_000, LittleEndian::read_int128(&buf, 3));
pub fn write_f32(buf: &mut [u8], n: f32)
[src]
Writes a IEEE754 single-precision (4 bytes) floating point number.
Panics
Panics when buf.len() < 4
.
Examples
Write and read f32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let e = 2.71828; let mut buf = [0; 4]; LittleEndian::write_f32(&mut buf, e); assert_eq!(e, LittleEndian::read_f32(&buf));
pub fn write_f64(buf: &mut [u8], n: f64)
[src]
Writes a IEEE754 double-precision (8 bytes) floating point number.
Panics
Panics when buf.len() < 8
.
Examples
Write and read f64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let phi = 1.6180339887; let mut buf = [0; 8]; LittleEndian::write_f64(&mut buf, phi); assert_eq!(phi, LittleEndian::read_f64(&buf));
pub fn read_i16_into(src: &[u8], dst: &mut [i16])
[src]
Reads signed 16 bit integers from src
to dst
.
Panics
Panics when buf.len() != 2*dst.len()
.
Examples
Write and read i16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 8]; let numbers_given = [1, 2, 0x0f, 0xee]; LittleEndian::write_i16_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i16_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_i32_into(src: &[u8], dst: &mut [i32])
[src]
Reads signed 32 bit integers from src
into dst
.
Panics
Panics when src.len() != 4*dst.len()
.
Examples
Write and read i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i32_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i32_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_i64_into(src: &[u8], dst: &mut [i64])
[src]
Reads signed 64 bit integers from src
into dst
.
Panics
Panics when src.len() != 8*dst.len()
.
Examples
Write and read i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i64_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i64_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_i128_into(src: &[u8], dst: &mut [i128])
[src]
Reads signed 128 bit integers from src
into dst
.
Panics
Panics when src.len() != 16*dst.len()
.
Examples
Write and read i128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 64]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i128_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i128_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_f32_into(src: &[u8], dst: &mut [f32])
[src]
Reads IEEE754 single-precision (4 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 4*dst.len()
.
Examples
Write and read f32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1.0, 2.0, 31.312e31, -11.32e19]; LittleEndian::write_f32_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; LittleEndian::read_f32_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_f32_into_unchecked(src: &[u8], dst: &mut [f32])
[src]
please use read_f32_into
instead
DEPRECATED.
This method is deprecated. Use read_f32_into
instead.
Reads IEEE754 single-precision (4 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 4*dst.len()
.
Examples
Write and read f32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1.0, 2.0, 31.312e31, -11.32e19]; LittleEndian::write_f32_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; LittleEndian::read_f32_into_unchecked(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_f64_into(src: &[u8], dst: &mut [f64])
[src]
Reads IEEE754 single-precision (4 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 8*dst.len()
.
Examples
Write and read f64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1.0, 2.0, 31.312e211, -11.32e91]; LittleEndian::write_f64_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; LittleEndian::read_f64_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn read_f64_into_unchecked(src: &[u8], dst: &mut [f64])
[src]
please use read_f64_into
instead
DEPRECATED.
This method is deprecated. Use read_f64_into
instead.
Reads IEEE754 single-precision (4 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 8*dst.len()
.
Examples
Write and read f64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1.0, 2.0, 31.312e211, -11.32e91]; LittleEndian::write_f64_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; LittleEndian::read_f64_into_unchecked(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_i8_into(src: &[i8], dst: &mut [u8])
[src]
Writes signed 8 bit integers from src
into dst
.
Note that since each i8
is a single byte, no byte order conversions
are used. This method is included because it provides a safe, simple
way for the caller to write from a &[i8]
buffer. (Without this
method, the caller would have to either use unsafe
code or convert
each byte to u8
individually.)
Panics
Panics when buf.len() != src.len()
.
Examples
Write and read i8
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian, ReadBytesExt}; let mut bytes = [0; 4]; let numbers_given = [1, 2, 0xf, 0xe]; LittleEndian::write_i8_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; bytes.as_ref().read_i8_into(&mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_i16_into(src: &[i16], dst: &mut [u8])
[src]
Writes signed 16 bit integers from src
into dst
.
Panics
Panics when buf.len() != 2*src.len()
.
Examples
Write and read i16
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 8]; let numbers_given = [1, 2, 0x0f, 0xee]; LittleEndian::write_i16_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i16_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_i32_into(src: &[i32], dst: &mut [u8])
[src]
Writes signed 32 bit integers from src
into dst
.
Panics
Panics when dst.len() != 4*src.len()
.
Examples
Write and read i32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i32_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i32_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_i64_into(src: &[i64], dst: &mut [u8])
[src]
Writes signed 64 bit integers from src
into dst
.
Panics
Panics when dst.len() != 8*src.len()
.
Examples
Write and read i64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i64_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i64_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_i128_into(src: &[i128], dst: &mut [u8])
[src]
Writes signed 128 bit integers from src
into dst
.
Panics
Panics when dst.len() != 16*src.len()
.
Examples
Write and read i128
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 64]; let numbers_given = [1, 2, 0xf00f, 0xffee]; LittleEndian::write_i128_into(&numbers_given, &mut bytes); let mut numbers_got = [0; 4]; LittleEndian::read_i128_into(&bytes, &mut numbers_got); assert_eq!(numbers_given, numbers_got);
pub fn write_f32_into(src: &[f32], dst: &mut [u8])
[src]
Writes IEEE754 single-precision (4 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 4*dst.len()
.
Examples
Write and read f32
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 16]; let numbers_given = [1.0, 2.0, 31.312e31, -11.32e19]; LittleEndian::write_f32_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; unsafe { LittleEndian::read_f32_into(&bytes, &mut numbers_got); } assert_eq!(numbers_given, numbers_got);
pub fn write_f64_into(src: &[f64], dst: &mut [u8])
[src]
Writes IEEE754 double-precision (8 bytes) floating point numbers from
src
into dst
.
Panics
Panics when src.len() != 8*dst.len()
.
Examples
Write and read f64
numbers in little endian order:
use byteorder::{ByteOrder, LittleEndian}; let mut bytes = [0; 32]; let numbers_given = [1.0, 2.0, 31.312e211, -11.32e91]; LittleEndian::write_f64_into(&numbers_given, &mut bytes); let mut numbers_got = [0.0; 4]; unsafe { LittleEndian::read_f64_into(&bytes, &mut numbers_got); } assert_eq!(numbers_given, numbers_got);
pub fn from_slice_i16(src: &mut [i16])
[src]
Converts the given slice of signed 16 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 6500]; BigEndian::from_slice_i16(&mut numbers); assert_eq!(numbers, [5i16.to_be(), 6500i16.to_be()]);
pub fn from_slice_i32(src: &mut [i32])
[src]
Converts the given slice of signed 32 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_i32(&mut numbers); assert_eq!(numbers, [5i32.to_be(), 65000i32.to_be()]);
pub fn from_slice_i64(src: &mut [i64])
[src]
Converts the given slice of signed 64 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_i64(&mut numbers); assert_eq!(numbers, [5i64.to_be(), 65000i64.to_be()]);
pub fn from_slice_i128(src: &mut [i128])
[src]
Converts the given slice of signed 128 bit integers to a particular endianness.
If the endianness matches the endianness of the host platform, then this is a no-op.
Examples
Convert the host platform's endianness to big-endian:
use byteorder::{ByteOrder, BigEndian}; let mut numbers = [5, 65000]; BigEndian::from_slice_i128(&mut numbers); assert_eq!(numbers, [5i128.to_be(), 65000i128.to_be()]);