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Omit some more From impls to avoid inference failures

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This commit is contained in:
Josh Triplett 2025-01-12 12:27:24 +02:00
parent 76780fa10e
commit 22a4ec39fb
2 changed files with 80 additions and 87 deletions
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119
library/alloc/src/bstr.rs
View File

@ -43,21 +43,6 @@ use crate::vec::Vec;
///
/// The `Debug` and `Display` implementations for `ByteString` are the same as those for `ByteStr`,
/// showing invalid UTF-8 as hex escapes or the Unicode replacement character, respectively.
///
/// # Examples
///
/// You can create a new `ByteString` from a `Vec<u8>` directly, or via a `From` impl from various
/// string types:
///
/// ```
/// # #![feature(bstr)]
/// # use std::bstr::ByteString;
/// let s1 = ByteString(vec![b'H', b'e', b'l', b'l', b'o']);
/// let s2 = ByteString::from("Hello");
/// let s3 = ByteString::from(b"Hello");
/// assert_eq!(s1, s2);
/// assert_eq!(s2, s3);
/// ```
#[unstable(feature = "bstr", issue = "134915")]
#[repr(transparent)]
#[derive(Clone)]
@ -193,40 +178,42 @@ impl Default for ByteString {
}
}
#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
#[unstable(feature = "bstr", issue = "134915")]
impl<'a, const N: usize> From<&'a [u8; N]> for ByteString {
#[inline]
fn from(s: &'a [u8; N]) -> Self {
ByteString(s.as_slice().to_vec())
}
}
#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
#[unstable(feature = "bstr", issue = "134915")]
impl<const N: usize> From<[u8; N]> for ByteString {
#[inline]
fn from(s: [u8; N]) -> Self {
ByteString(s.as_slice().to_vec())
}
}
#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
#[unstable(feature = "bstr", issue = "134915")]
impl<'a> From<&'a [u8]> for ByteString {
#[inline]
fn from(s: &'a [u8]) -> Self {
ByteString(s.to_vec())
}
}
#[unstable(feature = "bstr", issue = "134915")]
impl From<Vec<u8>> for ByteString {
#[inline]
fn from(s: Vec<u8>) -> Self {
ByteString(s)
}
}
// Omitted due to inference failures
//
// #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a, const N: usize> From<&'a [u8; N]> for ByteString {
// #[inline]
// fn from(s: &'a [u8; N]) -> Self {
// ByteString(s.as_slice().to_vec())
// }
// }
//
// #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
// #[unstable(feature = "bstr", issue = "134915")]
// impl<const N: usize> From<[u8; N]> for ByteString {
// #[inline]
// fn from(s: [u8; N]) -> Self {
// ByteString(s.as_slice().to_vec())
// }
// }
//
// #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a> From<&'a [u8]> for ByteString {
// #[inline]
// fn from(s: &'a [u8]) -> Self {
// ByteString(s.to_vec())
// }
// }
//
// #[unstable(feature = "bstr", issue = "134915")]
// impl From<Vec<u8>> for ByteString {
// #[inline]
// fn from(s: Vec<u8>) -> Self {
// ByteString(s)
// }
// }
#[unstable(feature = "bstr", issue = "134915")]
impl From<ByteString> for Vec<u8> {
@ -236,22 +223,24 @@ impl From<ByteString> for Vec<u8> {
}
}
#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
#[unstable(feature = "bstr", issue = "134915")]
impl<'a> From<&'a str> for ByteString {
#[inline]
fn from(s: &'a str) -> Self {
ByteString(s.as_bytes().to_vec())
}
}
#[unstable(feature = "bstr", issue = "134915")]
impl From<String> for ByteString {
#[inline]
fn from(s: String) -> Self {
ByteString(s.into_bytes())
}
}
// Omitted due to inference failures
//
// #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a> From<&'a str> for ByteString {
// #[inline]
// fn from(s: &'a str) -> Self {
// ByteString(s.as_bytes().to_vec())
// }
// }
//
// #[unstable(feature = "bstr", issue = "134915")]
// impl From<String> for ByteString {
// #[inline]
// fn from(s: String) -> Self {
// ByteString(s.into_bytes())
// }
// }
#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
#[unstable(feature = "bstr", issue = "134915")]

48
library/core/src/bstr.rs
View File

@ -246,21 +246,23 @@ impl<'a> Default for &'a mut ByteStr {
}
}
#[unstable(feature = "bstr", issue = "134915")]
impl<'a, const N: usize> From<&'a [u8; N]> for &'a ByteStr {
#[inline]
fn from(s: &'a [u8; N]) -> Self {
ByteStr::from_bytes(s)
}
}
#[unstable(feature = "bstr", issue = "134915")]
impl<'a> From<&'a [u8]> for &'a ByteStr {
#[inline]
fn from(s: &'a [u8]) -> Self {
ByteStr::from_bytes(s)
}
}
// Omitted due to inference failures
//
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a, const N: usize> From<&'a [u8; N]> for &'a ByteStr {
// #[inline]
// fn from(s: &'a [u8; N]) -> Self {
// ByteStr::from_bytes(s)
// }
// }
//
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a> From<&'a [u8]> for &'a ByteStr {
// #[inline]
// fn from(s: &'a [u8]) -> Self {
// ByteStr::from_bytes(s)
// }
// }
// Omitted due to slice-from-array-issue-113238:
//
@ -280,13 +282,15 @@ impl<'a> From<&'a [u8]> for &'a ByteStr {
// }
// }
#[unstable(feature = "bstr", issue = "134915")]
impl<'a> From<&'a str> for &'a ByteStr {
#[inline]
fn from(s: &'a str) -> Self {
ByteStr::from_bytes(s.as_bytes())
}
}
// Omitted due to inference failures
//
// #[unstable(feature = "bstr", issue = "134915")]
// impl<'a> From<&'a str> for &'a ByteStr {
// #[inline]
// fn from(s: &'a str) -> Self {
// ByteStr::from_bytes(s.as_bytes())
// }
// }
#[unstable(feature = "bstr", issue = "134915")]
impl hash::Hash for ByteStr {