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feat: Implmenet Borrow for HConsed #24

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Merged
lenianiva merged 2 commits into from
Apr 1, 2026
Merged

feat: Implmenet Borrow for HConsed #24

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a2a5faa
feat: Implmenet `Borrow`
lenianiva Nov 1, 2025
39c9ec2
Merge branch 'master' into borrow
lenianiva Apr 1, 2026
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6 changes: 6 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -214,6 +214,7 @@
//! (lazy_static library on crates.io)

use std::{
borrow::Borrow,
cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd},
collections::{hash_map::RandomState, HashMap},
fmt,
Expand All @@ -238,7 +239,7 @@
/// - `$hash_builder:expr` optional hash builder, an
/// implementation of [`std::hash::BuildHasher`] ;
/// - `$typ:typ,` type being hashconsed (the underlying type, not the
/// hashconsed one) ;

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#[macro_export]
macro_rules! consign {
(
Expand Down Expand Up @@ -349,7 +350,7 @@
}
}
impl<T> Eq for HConsed<T> {}
impl<T> PartialOrd for HConsed<T> {

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non-canonical implementation of `partial_cmp` on an `Ord` type

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non-canonical implementation of `partial_cmp` on an `Ord` type

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non-canonical implementation of `partial_cmp` on an `Ord` type
#[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
self.uid.partial_cmp(&other.uid)
Expand Down Expand Up @@ -378,6 +379,11 @@
self.elm.deref()
}
}
impl<T> Borrow<T> for HConsed<T> {
fn borrow(&self) -> &T {
self.elm.borrow()
}
}

impl<T: fmt::Display> fmt::Display for HConsed<T> {
#[inline]
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