Enum EntityAccessErr 

pub enum EntityAccessErr {
    UseAfterFree,
    NullReference,
}

Possible errors when accessing allocated entities.

分配实体访问时可能出现的错误.

Variants

UseAfterFree

The entity has been freed and cannot be accessed.

实体已被释放，无法访问。

NullReference

The pointer is null and does not reference any entity.

指针为空，未引用任何实体。

Trait Implementations

impl Debug for EntityAccessErr

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

Formats the value using the given formatter.

impl Display for EntityAccessErr

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

Formats the value using the given formatter.

impl Error for EntityAccessErr

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.