Enum VirtualBufferError 

pub enum VirtualBufferError {
    Memory(VirtualMemoryError),
    Budget(MemoryError),
    AuthorityMismatch {
        backing: MemoryAuthorityId,
        governor: MemoryAuthorityId,
    },
    OverCapacity {
        requested: usize,
        capacity: usize,
    },
}

What went wrong growing or shrinking a VirtualBuffer.

Variants

Memory(VirtualMemoryError)

The address space could not be reserved or mapped.

Budget(MemoryError)

The governor refused to lease the pages the growth needs.

AuthorityMismatch

A backing and buffer were connected to different accounting books.

Fields

backing: MemoryAuthorityId

Authority that owns the backing’s physical allocations.

governor: MemoryAuthorityId

Authority supplied to the buffer.

OverCapacity

The request exceeds the address space reserved at construction.

Fields

requested: usize

What was asked for.

capacity: usize

What was reserved.

Trait Implementations

impl Debug for VirtualBufferError

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

Formats the value using the given formatter.

impl Display for VirtualBufferError

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

Formats the value using the given formatter.

impl Error for VirtualBufferError

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.

impl From<MemoryError> for VirtualBufferError

fn from(source: MemoryError) -> Self

Converts to this type from the input type.

impl From<VirtualMemoryError> for VirtualBufferError

fn from(source: VirtualMemoryError) -> Self

Converts to this type from the input type.