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Make {integer}::from_str_radix constant

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George Bateman 2023-07-25 22:27:15 +01:00
parent 7e0ed43287
commit 3855b8bb60
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10 changed files with 248 additions and 175 deletions
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26
library/core/src/num/int_macros.rs
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@ -60,32 +60,6 @@ macro_rules! int_impl {
#[stable(feature = "int_bits_const", since = "1.53.0")]
pub const BITS: u32 = <$UnsignedT>::BITS;
/// Converts a string slice in a given base to an integer.
///
/// The string is expected to be an optional `+` or `-` sign followed by digits.
/// Leading and trailing whitespace represent an error. Digits are a subset of these characters,
/// depending on `radix`:
///
/// * `0-9`
/// * `a-z`
/// * `A-Z`
///
/// # Panics
///
/// This function panics if `radix` is not in the range from 2 to 36.
///
/// # Examples
///
/// Basic usage:
///
/// ```
#[doc = concat!("assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));")]
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
from_str_radix(src, radix)
}
/// Returns the number of ones in the binary representation of `self`.
///
/// # Examples