Enum alloc::collections::TryReserveErrorKind

pub enum TryReserveErrorKind {
    CapacityOverflow,
    AllocError {
        layout: Layout,
        // some fields omitted
    },
}

🔬 This is a nightly-only experimental API. (try_reserve_kind #48043)

Uncertain how much info should be exposed

导致 TryReserveError 的分配的详细信息

Variants

CapacityOverflow

🔬 This is a nightly-only experimental API. (try_reserve_kind #48043)

Uncertain how much info should be exposed

由于计算出的容量超过集合的最大值 (通常为 isize::MAX 字节) 而导致错误。

AllocError

🔬 This is a nightly-only experimental API. (try_reserve_kind #48043)

Uncertain how much info should be exposed

内存分配器返回错误

Fields of AllocError

layout: Layout

🔬 This is a nightly-only experimental API. (try_reserve_kind #48043)

Uncertain how much info should be exposed

分配请求的布局失败

Trait Implementations

impl Clone for TryReserveErrorKind

fn clone(&self) -> TryReserveErrorKind

返回值的副本。

fn clone_from(&mut self, source: &Self)

从 source 执行复制分配。

impl Debug for TryReserveErrorKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

使用给定的格式化程序格式化该值。

impl From<LayoutError> for TryReserveErrorKind

fn from(_: LayoutError) -> Self

始终评估为 TryReserveErrorKind::CapacityOverflow。

impl From<TryReserveErrorKind> for TryReserveError

fn from(kind: TryReserveErrorKind) -> Self

执行转换。

impl PartialEq<TryReserveErrorKind> for TryReserveErrorKind

fn eq(&self, other: &TryReserveErrorKind) -> bool

此方法测试 self 和 other 值是否相等，并由 == 使用。

fn ne(&self, other: &TryReserveErrorKind) -> bool

此方法测试 !=。

impl Eq for TryReserveErrorKind

impl StructuralEq for TryReserveErrorKind

impl StructuralPartialEq for TryReserveErrorKind