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-rw-r--r--library/core/src/num/mod.rs396
1 files changed, 317 insertions, 79 deletions
diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index ac7f579eb..a50c91579 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -9,9 +9,6 @@ use crate::mem;
use crate::ops::{Add, Mul, Sub};
use crate::str::FromStr;
-#[cfg(not(no_fp_fmt_parse))]
-use crate::error::Error;
-
// Used because the `?` operator is not allowed in a const context.
macro_rules! try_opt {
($e:expr) => {
@@ -61,15 +58,6 @@ pub use wrapping::Wrapping;
#[cfg(not(no_fp_fmt_parse))]
pub use dec2flt::ParseFloatError;
-#[cfg(not(no_fp_fmt_parse))]
-#[stable(feature = "rust1", since = "1.0.0")]
-impl Error for ParseFloatError {
- #[allow(deprecated)]
- fn description(&self) -> &str {
- self.__description()
- }
-}
-
#[stable(feature = "rust1", since = "1.0.0")]
pub use error::ParseIntError;
@@ -238,72 +226,217 @@ macro_rules! widening_impl {
}
impl i8 {
- int_impl! { i8, i8, u8, 8, 7, -128, 127, 2, "-0x7e", "0xa", "0x12", "0x12", "0x48",
- "[0x12]", "[0x12]", "", "", "" }
+ int_impl! {
+ Self = i8,
+ ActualT = i8,
+ UnsignedT = u8,
+ BITS = 8,
+ BITS_MINUS_ONE = 7,
+ Min = -128,
+ Max = 127,
+ rot = 2,
+ rot_op = "-0x7e",
+ rot_result = "0xa",
+ swap_op = "0x12",
+ swapped = "0x12",
+ reversed = "0x48",
+ le_bytes = "[0x12]",
+ be_bytes = "[0x12]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
impl i16 {
- int_impl! { i16, i16, u16, 16, 15, -32768, 32767, 4, "-0x5ffd", "0x3a", "0x1234", "0x3412",
- "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]", "", "", "" }
+ int_impl! {
+ Self = i16,
+ ActualT = i16,
+ UnsignedT = u16,
+ BITS = 16,
+ BITS_MINUS_ONE = 15,
+ Min = -32768,
+ Max = 32767,
+ rot = 4,
+ rot_op = "-0x5ffd",
+ rot_result = "0x3a",
+ swap_op = "0x1234",
+ swapped = "0x3412",
+ reversed = "0x2c48",
+ le_bytes = "[0x34, 0x12]",
+ be_bytes = "[0x12, 0x34]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
impl i32 {
- int_impl! { i32, i32, u32, 32, 31, -2147483648, 2147483647, 8, "0x10000b3", "0xb301",
- "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78]", "", "", "" }
+ int_impl! {
+ Self = i32,
+ ActualT = i32,
+ UnsignedT = u32,
+ BITS = 32,
+ BITS_MINUS_ONE = 31,
+ Min = -2147483648,
+ Max = 2147483647,
+ rot = 8,
+ rot_op = "0x10000b3",
+ rot_result = "0xb301",
+ swap_op = "0x12345678",
+ swapped = "0x78563412",
+ reversed = "0x1e6a2c48",
+ le_bytes = "[0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
impl i64 {
- int_impl! { i64, i64, u64, 64, 63, -9223372036854775808, 9223372036854775807, 12,
- "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412",
- "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", "", "", "" }
+ int_impl! {
+ Self = i64,
+ ActualT = i64,
+ UnsignedT = u64,
+ BITS = 64,
+ BITS_MINUS_ONE = 63,
+ Min = -9223372036854775808,
+ Max = 9223372036854775807,
+ rot = 12,
+ rot_op = "0xaa00000000006e1",
+ rot_result = "0x6e10aa",
+ swap_op = "0x1234567890123456",
+ swapped = "0x5634129078563412",
+ reversed = "0x6a2c48091e6a2c48",
+ le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
impl i128 {
- int_impl! { i128, i128, u128, 128, 127, -170141183460469231731687303715884105728,
- 170141183460469231731687303715884105727, 16,
- "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012",
- "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48",
- "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
- 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
- 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", "", "", "" }
+ int_impl! {
+ Self = i128,
+ ActualT = i128,
+ UnsignedT = u128,
+ BITS = 128,
+ BITS_MINUS_ONE = 127,
+ Min = -170141183460469231731687303715884105728,
+ Max = 170141183460469231731687303715884105727,
+ rot = 16,
+ rot_op = "0x13f40000000000000000000000004f76",
+ rot_result = "0x4f7613f4",
+ swap_op = "0x12345678901234567890123456789012",
+ swapped = "0x12907856341290785634129078563412",
+ reversed = "0x48091e6a2c48091e6a2c48091e6a2c48",
+ le_bytes = "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
+ 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
+ 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
#[cfg(target_pointer_width = "16")]
impl isize {
- int_impl! { isize, i16, usize, 16, 15, -32768, 32767, 4, "-0x5ffd", "0x3a", "0x1234",
- "0x3412", "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 16-bit targets" }
+ int_impl! {
+ Self = isize,
+ ActualT = i16,
+ UnsignedT = usize,
+ BITS = 16,
+ BITS_MINUS_ONE = 15,
+ Min = -32768,
+ Max = 32767,
+ rot = 4,
+ rot_op = "-0x5ffd",
+ rot_result = "0x3a",
+ swap_op = "0x1234",
+ swapped = "0x3412",
+ reversed = "0x2c48",
+ le_bytes = "[0x34, 0x12]",
+ be_bytes = "[0x12, 0x34]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 16-bit targets",
+ }
}
#[cfg(target_pointer_width = "32")]
impl isize {
- int_impl! { isize, i32, usize, 32, 31, -2147483648, 2147483647, 8, "0x10000b3", "0xb301",
- "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 32-bit targets" }
+ int_impl! {
+ Self = isize,
+ ActualT = i32,
+ UnsignedT = usize,
+ BITS = 32,
+ BITS_MINUS_ONE = 31,
+ Min = -2147483648,
+ Max = 2147483647,
+ rot = 8,
+ rot_op = "0x10000b3",
+ rot_result = "0xb301",
+ swap_op = "0x12345678",
+ swapped = "0x78563412",
+ reversed = "0x1e6a2c48",
+ le_bytes = "[0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 32-bit targets",
+ }
}
#[cfg(target_pointer_width = "64")]
impl isize {
- int_impl! { isize, i64, usize, 64, 63, -9223372036854775808, 9223372036854775807,
- 12, "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412",
- "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 64-bit targets" }
+ int_impl! {
+ Self = isize,
+ ActualT = i64,
+ UnsignedT = usize,
+ BITS = 64,
+ BITS_MINUS_ONE = 63,
+ Min = -9223372036854775808,
+ Max = 9223372036854775807,
+ rot = 12,
+ rot_op = "0xaa00000000006e1",
+ rot_result = "0x6e10aa",
+ swap_op = "0x1234567890123456",
+ swapped = "0x5634129078563412",
+ reversed = "0x6a2c48091e6a2c48",
+ le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 64-bit targets",
+ }
}
/// If 6th bit set ascii is upper case.
const ASCII_CASE_MASK: u8 = 0b0010_0000;
impl u8 {
- uint_impl! { u8, u8, i8, NonZeroU8, 8, 255, 2, "0x82", "0xa", "0x12", "0x12", "0x48", "[0x12]",
- "[0x12]", "", "", "" }
+ uint_impl! {
+ Self = u8,
+ ActualT = u8,
+ SignedT = i8,
+ NonZeroT = NonZeroU8,
+ BITS = 8,
+ MAX = 255,
+ rot = 2,
+ rot_op = "0x82",
+ rot_result = "0xa",
+ swap_op = "0x12",
+ swapped = "0x12",
+ reversed = "0x48",
+ le_bytes = "[0x12]",
+ be_bytes = "[0x12]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
widening_impl! { u8, u16, 8, unsigned }
/// Checks if the value is within the ASCII range.
@@ -887,8 +1020,25 @@ impl u8 {
}
impl u16 {
- uint_impl! { u16, u16, i16, NonZeroU16, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48",
- "[0x34, 0x12]", "[0x12, 0x34]", "", "", "" }
+ uint_impl! {
+ Self = u16,
+ ActualT = u16,
+ SignedT = i16,
+ NonZeroT = NonZeroU16,
+ BITS = 16,
+ MAX = 65535,
+ rot = 4,
+ rot_op = "0xa003",
+ rot_result = "0x3a",
+ swap_op = "0x1234",
+ swapped = "0x3412",
+ reversed = "0x2c48",
+ le_bytes = "[0x34, 0x12]",
+ be_bytes = "[0x12, 0x34]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
widening_impl! { u16, u32, 16, unsigned }
/// Checks if the value is a Unicode surrogate code point, which are disallowed values for [`char`].
@@ -918,56 +1068,144 @@ impl u16 {
}
impl u32 {
- uint_impl! { u32, u32, i32, NonZeroU32, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678",
- "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]", "", "", "" }
+ uint_impl! {
+ Self = u32,
+ ActualT = u32,
+ SignedT = i32,
+ NonZeroT = NonZeroU32,
+ BITS = 32,
+ MAX = 4294967295,
+ rot = 8,
+ rot_op = "0x10000b3",
+ rot_result = "0xb301",
+ swap_op = "0x12345678",
+ swapped = "0x78563412",
+ reversed = "0x1e6a2c48",
+ le_bytes = "[0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
widening_impl! { u32, u64, 32, unsigned }
}
impl u64 {
- uint_impl! { u64, u64, i64, NonZeroU64, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa",
- "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48",
- "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
- "", "", ""}
+ uint_impl! {
+ Self = u64,
+ ActualT = u64,
+ SignedT = i64,
+ NonZeroT = NonZeroU64,
+ BITS = 64,
+ MAX = 18446744073709551615,
+ rot = 12,
+ rot_op = "0xaa00000000006e1",
+ rot_result = "0x6e10aa",
+ swap_op = "0x1234567890123456",
+ swapped = "0x5634129078563412",
+ reversed = "0x6a2c48091e6a2c48",
+ le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
widening_impl! { u64, u128, 64, unsigned }
}
impl u128 {
- uint_impl! { u128, u128, i128, NonZeroU128, 128, 340282366920938463463374607431768211455, 16,
- "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012",
- "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48",
- "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
- 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
- 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]",
- "", "", ""}
+ uint_impl! {
+ Self = u128,
+ ActualT = u128,
+ SignedT = i128,
+ NonZeroT = NonZeroU128,
+ BITS = 128,
+ MAX = 340282366920938463463374607431768211455,
+ rot = 16,
+ rot_op = "0x13f40000000000000000000000004f76",
+ rot_result = "0x4f7613f4",
+ swap_op = "0x12345678901234567890123456789012",
+ swapped = "0x12907856341290785634129078563412",
+ reversed = "0x48091e6a2c48091e6a2c48091e6a2c48",
+ le_bytes = "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \
+ 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \
+ 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]",
+ to_xe_bytes_doc = "",
+ from_xe_bytes_doc = "",
+ bound_condition = "",
+ }
}
#[cfg(target_pointer_width = "16")]
impl usize {
- uint_impl! { usize, u16, isize, NonZeroUsize, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48",
- "[0x34, 0x12]", "[0x12, 0x34]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 16-bit targets" }
+ uint_impl! {
+ Self = usize,
+ ActualT = u16,
+ SignedT = isize,
+ NonZeroT = NonZeroUsize,
+ BITS = 16,
+ MAX = 65535,
+ rot = 4,
+ rot_op = "0xa003",
+ rot_result = "0x3a",
+ swap_op = "0x1234",
+ swapped = "0x3412",
+ reversed = "0x2c48",
+ le_bytes = "[0x34, 0x12]",
+ be_bytes = "[0x12, 0x34]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 16-bit targets",
+ }
widening_impl! { usize, u32, 16, unsigned }
}
+
#[cfg(target_pointer_width = "32")]
impl usize {
- uint_impl! { usize, u32, isize, NonZeroUsize, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678",
- "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 32-bit targets" }
+ uint_impl! {
+ Self = usize,
+ ActualT = u32,
+ SignedT = isize,
+ NonZeroT = NonZeroUsize,
+ BITS = 32,
+ MAX = 4294967295,
+ rot = 8,
+ rot_op = "0x10000b3",
+ rot_result = "0xb301",
+ swap_op = "0x12345678",
+ swapped = "0x78563412",
+ reversed = "0x1e6a2c48",
+ le_bytes = "[0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 32-bit targets",
+ }
widening_impl! { usize, u64, 32, unsigned }
}
#[cfg(target_pointer_width = "64")]
impl usize {
- uint_impl! { usize, u64, isize, NonZeroUsize, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa",
- "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48",
- "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
- "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
- usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(),
- " on 64-bit targets" }
+ uint_impl! {
+ Self = usize,
+ ActualT = u64,
+ SignedT = isize,
+ NonZeroT = NonZeroUsize,
+ BITS = 64,
+ MAX = 18446744073709551615,
+ rot = 12,
+ rot_op = "0xaa00000000006e1",
+ rot_result = "0x6e10aa",
+ swap_op = "0x1234567890123456",
+ swapped = "0x5634129078563412",
+ reversed = "0x6a2c48091e6a2c48",
+ le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]",
+ be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]",
+ to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(),
+ from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(),
+ bound_condition = " on 64-bit targets",
+ }
widening_impl! { usize, u128, 64, unsigned }
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-21 14:16:07 +0000