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Implement TryClone for PackedOption #12617

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Merged
alexcrichton merged 1 commit into from
Feb 18, 2026
+11 −2
Merged

Implement TryClone for PackedOption #12617

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13 changes: 11 additions & 2 deletions cranelift/entity/src/packed_option.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,8 @@
//! This module provides a `PackedOption<T>` for types that have a reserved value that can be used
//! to represent `None`.

use core::fmt;
use core::mem;
use core::{fmt, mem};
use wasmtime_core::{alloc::TryClone, error::OutOfMemory};

#[cfg(feature = "enable-serde")]
use serde_derive::{Deserialize, Serialize};
Expand All @@ -30,6 +30,15 @@ pub trait ReservedValue {
#[repr(transparent)]
pub struct PackedOption<T: ReservedValue>(T);

impl<T> TryClone for PackedOption<T>
where
T: ReservedValue + TryClone,
{
fn try_clone(&self) -> Result<Self, OutOfMemory> {
Ok(Self(self.0.try_clone()?))
}
}

impl<T: ReservedValue> PackedOption<T> {
/// Returns `true` if the packed option is a `None` value.
pub fn is_none(&self) -> bool {
Expand Down