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use crate::alloc::{AllocRef, BuildAllocRef, CapacityOverflow, LayoutErr, NonZeroLayout};
use core::fmt;
pub enum CollectionAllocErr<B: BuildAllocRef>
where
B::Ref: AllocRef,
{
CapacityOverflow,
AllocError {
layout: NonZeroLayout,
inner: <B::Ref as AllocRef>::Error,
},
}
impl<B: BuildAllocRef> fmt::Debug for CollectionAllocErr<B>
where
B::Ref: AllocRef,
<B::Ref as AllocRef>::Error: fmt::Debug,
{
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::CapacityOverflow => fmt.write_str("CapacityOverflow"),
Self::AllocError { layout, inner } => fmt
.debug_struct("AllocError")
.field("layout", &layout)
.field("inner", &inner)
.finish(),
}
}
}
impl<B: BuildAllocRef> Clone for CollectionAllocErr<B>
where
B::Ref: AllocRef,
<B::Ref as AllocRef>::Error: Clone,
{
fn clone(&self) -> Self {
match self {
Self::CapacityOverflow => Self::CapacityOverflow,
Self::AllocError { layout, inner } => Self::AllocError {
layout: *layout,
inner: inner.clone(),
},
}
}
}
impl<B: BuildAllocRef> PartialEq for CollectionAllocErr<B>
where
B::Ref: AllocRef,
<B::Ref as AllocRef>::Error: PartialEq,
{
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(Self::CapacityOverflow, Self::CapacityOverflow) => true,
(
Self::AllocError { layout, inner },
Self::AllocError {
layout: other_layout,
inner: other_inner,
},
) => layout == other_layout && inner == other_inner,
_ => false,
}
}
}
impl<B: BuildAllocRef> Eq for CollectionAllocErr<B>
where
B::Ref: AllocRef,
<B::Ref as AllocRef>::Error: Eq,
{
}
impl<B: BuildAllocRef> From<CapacityOverflow> for CollectionAllocErr<B>
where
B::Ref: AllocRef,
{
#[inline]
#[must_use]
fn from(_: CapacityOverflow) -> Self {
Self::CapacityOverflow
}
}
impl<B: BuildAllocRef> From<LayoutErr> for CollectionAllocErr<B>
where
B::Ref: AllocRef,
{
#[inline]
#[must_use]
fn from(_: LayoutErr) -> Self {
Self::CapacityOverflow
}
}