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-rw-r--r--vendor/num-traits/src/ops/bytes.rs403
1 files changed, 0 insertions, 403 deletions
diff --git a/vendor/num-traits/src/ops/bytes.rs b/vendor/num-traits/src/ops/bytes.rs
deleted file mode 100644
index 4df9ecd..0000000
--- a/vendor/num-traits/src/ops/bytes.rs
+++ /dev/null
@@ -1,403 +0,0 @@
-use core::borrow::{Borrow, BorrowMut};
-use core::cmp::{Eq, Ord, PartialEq, PartialOrd};
-use core::fmt::Debug;
-use core::hash::Hash;
-#[cfg(not(has_int_to_from_bytes))]
-use core::mem::transmute;
-
-pub trait NumBytes:
- Debug
- + AsRef<[u8]>
- + AsMut<[u8]>
- + PartialEq
- + Eq
- + PartialOrd
- + Ord
- + Hash
- + Borrow<[u8]>
- + BorrowMut<[u8]>
-{
-}
-
-impl<T> NumBytes for T where
- T: Debug
- + AsRef<[u8]>
- + AsMut<[u8]>
- + PartialEq
- + Eq
- + PartialOrd
- + Ord
- + Hash
- + Borrow<[u8]>
- + BorrowMut<[u8]>
- + ?Sized
-{
-}
-
-pub trait ToBytes {
- type Bytes: NumBytes;
-
- /// Return the memory representation of this number as a byte array in big-endian byte order.
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::ToBytes;
- ///
- /// let bytes = ToBytes::to_be_bytes(&0x12345678u32);
- /// assert_eq!(bytes, [0x12, 0x34, 0x56, 0x78]);
- /// ```
- fn to_be_bytes(&self) -> Self::Bytes;
-
- /// Return the memory representation of this number as a byte array in little-endian byte order.
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::ToBytes;
- ///
- /// let bytes = ToBytes::to_le_bytes(&0x12345678u32);
- /// assert_eq!(bytes, [0x78, 0x56, 0x34, 0x12]);
- /// ```
- fn to_le_bytes(&self) -> Self::Bytes;
-
- /// Return the memory representation of this number as a byte array in native byte order.
- ///
- /// As the target platform's native endianness is used,
- /// portable code should use [`to_be_bytes`] or [`to_le_bytes`], as appropriate, instead.
- ///
- /// [`to_be_bytes`]: #method.to_be_bytes
- /// [`to_le_bytes`]: #method.to_le_bytes
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::ToBytes;
- ///
- /// #[cfg(target_endian = "big")]
- /// let expected = [0x12, 0x34, 0x56, 0x78];
- ///
- /// #[cfg(target_endian = "little")]
- /// let expected = [0x78, 0x56, 0x34, 0x12];
- ///
- /// let bytes = ToBytes::to_ne_bytes(&0x12345678u32);
- /// assert_eq!(bytes, expected)
- /// ```
- fn to_ne_bytes(&self) -> Self::Bytes {
- #[cfg(target_endian = "big")]
- let bytes = self.to_be_bytes();
- #[cfg(target_endian = "little")]
- let bytes = self.to_le_bytes();
- bytes
- }
-}
-
-pub trait FromBytes: Sized {
- type Bytes: NumBytes + ?Sized;
-
- /// Create a number from its representation as a byte array in big endian.
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::FromBytes;
- ///
- /// let value: u32 = FromBytes::from_be_bytes(&[0x12, 0x34, 0x56, 0x78]);
- /// assert_eq!(value, 0x12345678);
- /// ```
- fn from_be_bytes(bytes: &Self::Bytes) -> Self;
-
- /// Create a number from its representation as a byte array in little endian.
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::FromBytes;
- ///
- /// let value: u32 = FromBytes::from_le_bytes(&[0x78, 0x56, 0x34, 0x12]);
- /// assert_eq!(value, 0x12345678);
- /// ```
- fn from_le_bytes(bytes: &Self::Bytes) -> Self;
-
- /// Create a number from its memory representation as a byte array in native endianness.
- ///
- /// As the target platform's native endianness is used,
- /// portable code likely wants to use [`from_be_bytes`] or [`from_le_bytes`], as appropriate instead.
- ///
- /// [`from_be_bytes`]: #method.from_be_bytes
- /// [`from_le_bytes`]: #method.from_le_bytes
- ///
- /// # Examples
- ///
- /// ```
- /// use num_traits::FromBytes;
- ///
- /// #[cfg(target_endian = "big")]
- /// let bytes = [0x12, 0x34, 0x56, 0x78];
- ///
- /// #[cfg(target_endian = "little")]
- /// let bytes = [0x78, 0x56, 0x34, 0x12];
- ///
- /// let value: u32 = FromBytes::from_ne_bytes(&bytes);
- /// assert_eq!(value, 0x12345678)
- /// ```
- fn from_ne_bytes(bytes: &Self::Bytes) -> Self {
- #[cfg(target_endian = "big")]
- let this = Self::from_be_bytes(bytes);
- #[cfg(target_endian = "little")]
- let this = Self::from_le_bytes(bytes);
- this
- }
-}
-
-macro_rules! float_to_from_bytes_impl {
- ($T:ty, $L:expr) => {
- #[cfg(has_float_to_from_bytes)]
- impl ToBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn to_be_bytes(&self) -> Self::Bytes {
- <$T>::to_be_bytes(*self)
- }
-
- #[inline]
- fn to_le_bytes(&self) -> Self::Bytes {
- <$T>::to_le_bytes(*self)
- }
-
- #[inline]
- fn to_ne_bytes(&self) -> Self::Bytes {
- <$T>::to_ne_bytes(*self)
- }
- }
-
- #[cfg(has_float_to_from_bytes)]
- impl FromBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn from_be_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_be_bytes(*bytes)
- }
-
- #[inline]
- fn from_le_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_le_bytes(*bytes)
- }
-
- #[inline]
- fn from_ne_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_ne_bytes(*bytes)
- }
- }
-
- #[cfg(not(has_float_to_from_bytes))]
- impl ToBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn to_be_bytes(&self) -> Self::Bytes {
- ToBytes::to_be_bytes(&self.to_bits())
- }
-
- #[inline]
- fn to_le_bytes(&self) -> Self::Bytes {
- ToBytes::to_le_bytes(&self.to_bits())
- }
-
- #[inline]
- fn to_ne_bytes(&self) -> Self::Bytes {
- ToBytes::to_ne_bytes(&self.to_bits())
- }
- }
-
- #[cfg(not(has_float_to_from_bytes))]
- impl FromBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn from_be_bytes(bytes: &Self::Bytes) -> Self {
- Self::from_bits(FromBytes::from_be_bytes(bytes))
- }
-
- #[inline]
- fn from_le_bytes(bytes: &Self::Bytes) -> Self {
- Self::from_bits(FromBytes::from_le_bytes(bytes))
- }
-
- #[inline]
- fn from_ne_bytes(bytes: &Self::Bytes) -> Self {
- Self::from_bits(FromBytes::from_ne_bytes(bytes))
- }
- }
- };
-}
-
-macro_rules! int_to_from_bytes_impl {
- ($T:ty, $L:expr) => {
- #[cfg(has_int_to_from_bytes)]
- impl ToBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn to_be_bytes(&self) -> Self::Bytes {
- <$T>::to_be_bytes(*self)
- }
-
- #[inline]
- fn to_le_bytes(&self) -> Self::Bytes {
- <$T>::to_le_bytes(*self)
- }
-
- #[inline]
- fn to_ne_bytes(&self) -> Self::Bytes {
- <$T>::to_ne_bytes(*self)
- }
- }
-
- #[cfg(has_int_to_from_bytes)]
- impl FromBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn from_be_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_be_bytes(*bytes)
- }
-
- #[inline]
- fn from_le_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_le_bytes(*bytes)
- }
-
- #[inline]
- fn from_ne_bytes(bytes: &Self::Bytes) -> Self {
- <$T>::from_ne_bytes(*bytes)
- }
- }
-
- #[cfg(not(has_int_to_from_bytes))]
- impl ToBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn to_be_bytes(&self) -> Self::Bytes {
- <$T as ToBytes>::to_ne_bytes(&<$T>::to_be(*self))
- }
-
- #[inline]
- fn to_le_bytes(&self) -> Self::Bytes {
- <$T as ToBytes>::to_ne_bytes(&<$T>::to_le(*self))
- }
-
- #[inline]
- fn to_ne_bytes(&self) -> Self::Bytes {
- unsafe { transmute(*self) }
- }
- }
-
- #[cfg(not(has_int_to_from_bytes))]
- impl FromBytes for $T {
- type Bytes = [u8; $L];
-
- #[inline]
- fn from_be_bytes(bytes: &Self::Bytes) -> Self {
- Self::from_be(<Self as FromBytes>::from_ne_bytes(bytes))
- }
-
- #[inline]
- fn from_le_bytes(bytes: &Self::Bytes) -> Self {
- Self::from_le(<Self as FromBytes>::from_ne_bytes(bytes))
- }
-
- #[inline]
- fn from_ne_bytes(bytes: &Self::Bytes) -> Self {
- unsafe { transmute(*bytes) }
- }
- }
- };
-}
-
-int_to_from_bytes_impl!(u8, 1);
-int_to_from_bytes_impl!(u16, 2);
-int_to_from_bytes_impl!(u32, 4);
-int_to_from_bytes_impl!(u64, 8);
-int_to_from_bytes_impl!(u128, 16);
-#[cfg(target_pointer_width = "64")]
-int_to_from_bytes_impl!(usize, 8);
-#[cfg(target_pointer_width = "32")]
-int_to_from_bytes_impl!(usize, 4);
-
-int_to_from_bytes_impl!(i8, 1);
-int_to_from_bytes_impl!(i16, 2);
-int_to_from_bytes_impl!(i32, 4);
-int_to_from_bytes_impl!(i64, 8);
-int_to_from_bytes_impl!(i128, 16);
-#[cfg(target_pointer_width = "64")]
-int_to_from_bytes_impl!(isize, 8);
-#[cfg(target_pointer_width = "32")]
-int_to_from_bytes_impl!(isize, 4);
-
-float_to_from_bytes_impl!(f32, 4);
-float_to_from_bytes_impl!(f64, 8);
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- macro_rules! check_to_from_bytes {
- ($( $ty:ty )+) => {$({
- let n = 1;
- let be = <$ty as ToBytes>::to_be_bytes(&n);
- let le = <$ty as ToBytes>::to_le_bytes(&n);
- let ne = <$ty as ToBytes>::to_ne_bytes(&n);
-
- assert_eq!(*be.last().unwrap(), 1);
- assert_eq!(*le.first().unwrap(), 1);
- if cfg!(target_endian = "big") {
- assert_eq!(*ne.last().unwrap(), 1);
- } else {
- assert_eq!(*ne.first().unwrap(), 1);
- }
-
- assert_eq!(<$ty as FromBytes>::from_be_bytes(&be), n);
- assert_eq!(<$ty as FromBytes>::from_le_bytes(&le), n);
- if cfg!(target_endian = "big") {
- assert_eq!(<$ty as FromBytes>::from_ne_bytes(&be), n);
- } else {
- assert_eq!(<$ty as FromBytes>::from_ne_bytes(&le), n);
- }
- })+}
- }
-
- #[test]
- fn convert_between_int_and_bytes() {
- check_to_from_bytes!(u8 u16 u32 u64 u128 usize);
- check_to_from_bytes!(i8 i16 i32 i64 i128 isize);
- }
-
- #[test]
- fn convert_between_float_and_bytes() {
- macro_rules! check_to_from_bytes {
- ($( $ty:ty )+) => {$(
- let n: $ty = 3.14;
-
- let be = <$ty as ToBytes>::to_be_bytes(&n);
- let le = <$ty as ToBytes>::to_le_bytes(&n);
- let ne = <$ty as ToBytes>::to_ne_bytes(&n);
-
- assert_eq!(<$ty as FromBytes>::from_be_bytes(&be), n);
- assert_eq!(<$ty as FromBytes>::from_le_bytes(&le), n);
- if cfg!(target_endian = "big") {
- assert_eq!(ne, be);
- assert_eq!(<$ty as FromBytes>::from_ne_bytes(&be), n);
- } else {
- assert_eq!(ne, le);
- assert_eq!(<$ty as FromBytes>::from_ne_bytes(&le), n);
- }
- )+}
- }
-
- check_to_from_bytes!(f32 f64);
- }
-}
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