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Merge #356

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356: make Id::from_u32 public r=nikomatsakis a=nikomatsakis

I made it private 'just because', but it turns out that dada uses it, and it seems reasonable.

Co-authored-by: Niko Matsakis <niko@alum.mit.edu>
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bors[bot] 2022-08-18 10:56:53 +00:00 committed by GitHub
commit 5aebeeb9e5
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1 changed files with 7 additions and 1 deletions
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8
components/salsa-2022/src/id.rs
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@ -19,8 +19,14 @@ impl Id {
pub const MAX_U32: u32 = std::u32::MAX - 0xFF;
pub const MAX_USIZE: usize = Self::MAX_U32 as usize;
/// Create a `salsa::Id` from a u32 value. This value should
/// be less than [`Self::MAX_U32`].
///
/// In general, you should not need to create salsa ids yourself,
/// but it can be useful if you are using the type as a general
/// purpose "identifier" internally.
#[track_caller]
pub(crate) fn from_u32(x: u32) -> Self {
pub fn from_u32(x: u32) -> Self {
assert!(x < Self::MAX_U32);
Id {
value: NonZeroU32::new(x + 1).unwrap(),