Struct Capability 

pub struct Capability(pub u16);

One capability, identified by its bit position.

Tuple Fields

0: u16

Implementations

impl Capability

pub const REQUIRE_RANGE: Self

The decoder pulls bytes of the source by asking for ranges, rather than being handed the whole thing up front. This is the normal mode and the reason the project exists.

pub const SLIDING_WINDOW: Self

The host can move a window over a source that is larger than the guest can address, so a 32-bit guest is not limited to four gigabytes of input.

pub const PROJECTION: Self

The decoder honours a column projection instead of producing every column and letting the host throw most of them away.

pub const FILTER_PUSHDOWN: Self

The decoder honours a filter pushed down to it.

pub const RANDOM_ACCESS: Self

The decoder can start at an arbitrary row rather than only at the beginning.

pub const STATELESS: Self

The decoder keeps no state between calls, so the host is free to reuse one instance for unrelated scans or to run several scans against the same instance.

pub const RESUMABLE: Self

The decoder is prepared to be interrupted partway through and resumed, which is what lets a host put a time limit on a scan without killing it.

pub const fn name(self) -> Option<&'static str>

The name of this capability, if it is one we assigned.

Trait Implementations

impl Clone for Capability

fn clone(&self) -> Capability

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Capability

impl Debug for Capability

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

Formats the value using the given formatter.

impl Display for Capability

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

Formats the value using the given formatter.

impl Eq for Capability

impl Hash for Capability

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Capability

fn cmp(&self, other: &Capability) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

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

Restrict a value to a certain range.

impl PartialEq for Capability

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Capability

fn partial_cmp(&self, other: &Capability) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for Capability