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Stabilize the int_to_from_bytes feature #56207

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Nov 25, 2018
Merged

Stabilize the int_to_from_bytes feature #56207

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48 changes: 12 additions & 36 deletions src/libcore/num/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1921,12 +1921,10 @@ big-endian (network) byte order.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
assert_eq!(bytes, ", $be_bytes, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -1941,12 +1939,10 @@ little-endian byte order.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
assert_eq!(bytes, ", $le_bytes, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -1969,16 +1965,14 @@ instead.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
assert_eq!(bytes, if cfg!(target_endian = \"big\") {
", $be_bytes, "
} else {
", $le_bytes, "
});
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -1993,12 +1987,10 @@ big endian.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand All @@ -2014,12 +2006,10 @@ little endian.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand All @@ -2041,16 +2031,14 @@ appropriate instead.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
", $be_bytes, "
} else {
", $le_bytes, "
});
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand Down Expand Up @@ -3663,12 +3651,10 @@ big-endian (network) byte order.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_be_bytes();
assert_eq!(bytes, ", $be_bytes, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_be_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -3683,12 +3669,10 @@ little-endian byte order.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_le_bytes();
assert_eq!(bytes, ", $le_bytes, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_le_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -3711,16 +3695,14 @@ instead.
# Examples

```
#![feature(int_to_from_bytes)]

let bytes = ", $swap_op, stringify!($SelfT), ".to_ne_bytes();
assert_eq!(bytes, if cfg!(target_endian = \"big\") {
", $be_bytes, "
} else {
", $le_bytes, "
});
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn to_ne_bytes(self) -> [u8; mem::size_of::<Self>()] {
Expand All @@ -3735,12 +3717,10 @@ big endian.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_be_bytes(", $be_bytes, ");
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_be_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand All @@ -3756,12 +3736,10 @@ little endian.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_le_bytes(", $le_bytes, ");
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_le_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand All @@ -3783,16 +3761,14 @@ appropriate instead.
# Examples

```
#![feature(int_to_from_bytes)]

let value = ", stringify!($SelfT), "::from_ne_bytes(if cfg!(target_endian = \"big\") {
", $be_bytes, "
} else {
", $le_bytes, "
});
assert_eq!(value, ", $swap_op, ");
```"),
#[unstable(feature = "int_to_from_bytes", issue = "52963")]
#[stable(feature = "int_to_from_bytes", since = "1.32.0")]
#[rustc_const_unstable(feature = "const_int_conversion")]
#[inline]
pub const fn from_ne_bytes(bytes: [u8; mem::size_of::<Self>()]) -> Self {
Expand Down
2 changes: 1 addition & 1 deletion src/test/run-pass/const-int-conversion.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![feature(const_int_conversion, const_int_ops, reverse_bits, int_to_from_bytes)]
#![feature(const_int_conversion, const_int_ops, reverse_bits)]

const REVERSE: u32 = 0x12345678_u32.reverse_bits();
const FROM_BE_BYTES: i32 = i32::from_be_bytes([0x12, 0x34, 0x56, 0x78]);
Expand Down
2 changes: 1 addition & 1 deletion src/test/ui/consts/const-int-conversion.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.

#![feature(reverse_bits, int_to_from_bytes)]
#![feature(reverse_bits)]

fn main() {
let x: &'static i32 = &(5_i32.reverse_bits());
Expand Down