/rust/registry/src/index.crates.io-6f17d22bba15001f/untrusted-0.9.0/src/no_panic.rs

Source (jump to first uncovered line)
/// A wrapper around a slice that exposes no functions that can panic.
///
/// Intentionally avoids implementing `Debug`, `Eq`, and `PartialEq` to avoid
/// creating a side channel that would leak information about the value.
#[derive(Clone, Copy)]
pub struct Slice<'a> {
    bytes: &'a [u8],
}

impl<'a> Slice<'a> {
    #[inline]
    pub const fn new(bytes: &'a [u8]) -> Self {
        Self { bytes }
    }

    #[inline]
    pub fn get(&self, i: usize) -> Option<&u8> {
        self.bytes.get(i)
    }

    #[inline]
    pub fn subslice(&self, r: core::ops::Range<usize>) -> Option<Self> {
        self.bytes.get(r).map(|bytes| Self { bytes })
    }

    #[inline]
    pub fn is_empty(&self) -> bool {
        self.bytes.is_empty()
    }

    #[inline]
    pub fn len(&self) -> usize {
        self.bytes.len()
    }

    #[inline]
    pub fn as_slice_less_safe(&self) -> &'a [u8] {
        self.bytes
    }
}

Line	Count	Source (jump to first uncovered line)
1		/// A wrapper around a slice that exposes no functions that can panic.
2		///
3		/// Intentionally avoids implementing `Debug`, `Eq`, and `PartialEq` to avoid
4		/// creating a side channel that would leak information about the value.
5		#[derive(Clone, Copy)]
6		pub struct Slice<'a> {
7		bytes: &'a [u8],
8		}
9
10		impl<'a> Slice<'a> {
11		#[inline]
12	0	pub const fn new(bytes: &'a [u8]) -> Self {
13	0	Self { bytes }
14	0	}
15
16		#[inline]
17	0	pub fn get(&self, i: usize) -> Option<&u8> {
18	0	self.bytes.get(i)
19	0	} Unexecuted instantiation: <untrusted::no_panic::Slice>::get Unexecuted instantiation: <untrusted::no_panic::Slice>::get
20
21		#[inline]
22	0	pub fn subslice(&self, r: core::ops::Range<usize>) -> Option<Self> {
23	0	self.bytes.get(r).map(\|bytes\| Self { bytes }) Unexecuted instantiation: <untrusted::no_panic::Slice>::subslice::{closure#0} Unexecuted instantiation: <untrusted::no_panic::Slice>::subslice::{closure#0}
24	0	} Unexecuted instantiation: <untrusted::no_panic::Slice>::subslice Unexecuted instantiation: <untrusted::no_panic::Slice>::subslice
25
26		#[inline]
27	0	pub fn is_empty(&self) -> bool {
28	0	self.bytes.is_empty()
29	0	} Unexecuted instantiation: <untrusted::no_panic::Slice>::is_empty Unexecuted instantiation: <untrusted::no_panic::Slice>::is_empty
30
31		#[inline]
32	0	pub fn len(&self) -> usize {
33	0	self.bytes.len()
34	0	} Unexecuted instantiation: <untrusted::no_panic::Slice>::len Unexecuted instantiation: <untrusted::no_panic::Slice>::len
35
36		#[inline]
37	0	pub fn as_slice_less_safe(&self) -> &'a [u8] {
38	0	self.bytes
39	0	} Unexecuted instantiation: <untrusted::no_panic::Slice>::as_slice_less_safe Unexecuted instantiation: <untrusted::no_panic::Slice>::as_slice_less_safe
40		}

Coverage Report

Created: 2025-07-11 06:15