Make integer methods non-const in stage0
This commit is contained in:
Linus Färnstrand
parent
1b9ab8939e
commit
8a27c19c92
1 changed files with 192 additions and 0 deletions
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@ -267,11 +267,20 @@ $EndFeature, "
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```
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"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn count_ones(self) -> u32 { (self as $UnsignedT).count_ones() }
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn count_ones(self) -> u32 { (self as $UnsignedT).count_ones() }
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}
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doc_comment! {
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concat!("Returns the number of zeros in the binary representation of `self`.
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@ -283,6 +292,7 @@ Basic usage:
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", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value().count_zeros(), 1);", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn count_zeros(self) -> u32 {
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@ -290,6 +300,16 @@ Basic usage:
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentatio"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn count_zeros(self) -> u32 {
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(!self).count_ones()
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}
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}
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doc_comment! {
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concat!("Returns the number of leading zeros in the binary representation of `self`.
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@ -304,6 +324,7 @@ assert_eq!(n.leading_zeros(), 0);",
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn leading_zeros(self) -> u32 {
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@ -311,6 +332,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn leading_zeros(self) -> u32 {
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(self as $UnsignedT).leading_zeros()
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}
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}
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doc_comment! {
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concat!("Returns the number of trailing zeros in the binary representation of `self`.
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@ -325,6 +356,7 @@ assert_eq!(n.trailing_zeros(), 2);",
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn trailing_zeros(self) -> u32 {
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@ -332,6 +364,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn trailing_zeros(self) -> u32 {
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(self as $UnsignedT).trailing_zeros()
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}
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}
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/// Shifts the bits to the left by a specified amount, `n`,
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/// wrapping the truncated bits to the end of the resulting integer.
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///
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@ -400,12 +442,21 @@ $EndFeature, "
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/// assert_eq!(m, 21760);
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/// ```
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn swap_bytes(self) -> Self {
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(self as $UnsignedT).swap_bytes() as Self
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}
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/// Dummy docs. See !stage0 documentation.
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn swap_bytes(self) -> Self {
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(self as $UnsignedT).swap_bytes() as Self
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}
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/// Reverses the bit pattern of the integer.
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///
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/// # Examples
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@ -452,6 +503,7 @@ if cfg!(target_endian = \"big\") {
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn from_be(x: Self) -> Self {
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@ -466,6 +518,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn from_be(x: Self) -> Self {
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if cfg!(target_endian = "big") { x } else { x.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts an integer from little endian to the target's endianness.
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@ -486,6 +548,7 @@ if cfg!(target_endian = \"little\") {
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn from_le(x: Self) -> Self {
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@ -500,6 +563,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn from_le(x: Self) -> Self {
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if cfg!(target_endian = "little") { x } else { x.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts `self` to big endian from the target's endianness.
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@ -520,6 +593,7 @@ if cfg!(target_endian = \"big\") {
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn to_be(self) -> Self { // or not to be?
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@ -534,6 +608,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn to_be(self) -> Self { // or not to be?
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if cfg!(target_endian = "big") { self } else { self.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts `self` to little endian from the target's endianness.
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@ -554,6 +638,7 @@ if cfg!(target_endian = \"little\") {
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$EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn to_le(self) -> Self {
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@ -568,6 +653,16 @@ $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn to_le(self) -> Self {
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if cfg!(target_endian = "little") { self } else { self.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Checked integer addition. Computes `self + rhs`, returning `None`
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if overflow occurred.
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@ -2070,6 +2165,7 @@ Basic usage:
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assert_eq!(n.count_ones(), 3);", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn count_ones(self) -> u32 {
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@ -2077,6 +2173,16 @@ assert_eq!(n.count_ones(), 3);", $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn count_ones(self) -> u32 {
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unsafe { intrinsics::ctpop(self as $ActualT) as u32 }
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}
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}
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doc_comment! {
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concat!("Returns the number of zeros in the binary representation of `self`.
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@ -2088,6 +2194,7 @@ Basic usage:
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", $Feature, "assert_eq!(", stringify!($SelfT), "::max_value().count_zeros(), 0);", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn count_zeros(self) -> u32 {
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@ -2095,6 +2202,16 @@ Basic usage:
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn count_zeros(self) -> u32 {
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(!self).count_ones()
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}
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}
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doc_comment! {
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concat!("Returns the number of leading zeros in the binary representation of `self`.
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@ -2108,6 +2225,7 @@ Basic usage:
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assert_eq!(n.leading_zeros(), 2);", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn leading_zeros(self) -> u32 {
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@ -2115,6 +2233,16 @@ assert_eq!(n.leading_zeros(), 2);", $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn leading_zeros(self) -> u32 {
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unsafe { intrinsics::ctlz(self as $ActualT) as u32 }
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}
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}
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doc_comment! {
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concat!("Returns the number of trailing zeros in the binary representation
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of `self`.
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@ -2129,6 +2257,7 @@ Basic usage:
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assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn trailing_zeros(self) -> u32 {
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@ -2136,6 +2265,16 @@ assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn trailing_zeros(self) -> u32 {
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unsafe { uint_cttz_call!(self, $BITS) as u32 }
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}
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}
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/// Shifts the bits to the left by a specified amount, `n`,
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/// wrapping the truncated bits to the end of the resulting integer.
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///
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@ -2208,12 +2347,21 @@ assert_eq!(n.trailing_zeros(), 3);", $EndFeature, "
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/// assert_eq!(m, 21760);
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/// ```
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn swap_bytes(self) -> Self {
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unsafe { intrinsics::bswap(self as $ActualT) as Self }
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}
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/// Dummy docs. See !stage0 documentation.
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn swap_bytes(self) -> Self {
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unsafe { intrinsics::bswap(self as $ActualT) as Self }
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}
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/// Reverses the bit pattern of the integer.
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///
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/// # Examples
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@ -2260,6 +2408,7 @@ if cfg!(target_endian = \"big\") {
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}", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn from_be(x: Self) -> Self {
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@ -2274,6 +2423,16 @@ if cfg!(target_endian = \"big\") {
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn from_be(x: Self) -> Self {
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if cfg!(target_endian = "big") { x } else { x.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts an integer from little endian to the target's endianness.
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@ -2294,6 +2453,7 @@ if cfg!(target_endian = \"little\") {
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}", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn from_le(x: Self) -> Self {
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@ -2308,6 +2468,16 @@ if cfg!(target_endian = \"little\") {
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn from_le(x: Self) -> Self {
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if cfg!(target_endian = "little") { x } else { x.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts `self` to big endian from the target's endianness.
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|
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@ -2328,6 +2498,7 @@ if cfg!(target_endian = \"big\") {
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}", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn to_be(self) -> Self { // or not to be?
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@ -2342,6 +2513,16 @@ if cfg!(target_endian = \"big\") {
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn to_be(self) -> Self { // or not to be?
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if cfg!(target_endian = "big") { self } else { self.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Converts `self` to little endian from the target's endianness.
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|
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@ -2362,6 +2543,7 @@ if cfg!(target_endian = \"little\") {
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}", $EndFeature, "
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```"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(not(stage0))]
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#[rustc_const_unstable(feature = "const_int_ops")]
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#[inline]
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pub const fn to_le(self) -> Self {
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|
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@ -2376,6 +2558,16 @@ if cfg!(target_endian = \"little\") {
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}
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}
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doc_comment! {
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concat!("Dummy docs. See !stage0 documentation"),
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#[stable(feature = "rust1", since = "1.0.0")]
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#[cfg(stage0)]
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#[inline]
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pub fn to_le(self) -> Self {
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if cfg!(target_endian = "little") { self } else { self.swap_bytes() }
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}
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}
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doc_comment! {
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concat!("Checked integer addition. Computes `self + rhs`, returning `None`
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if overflow occurred.
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|
|
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Add a link
Reference in a new issue