Struct VignetteIndex 

pub struct VignetteIndex { /* private fields */ }

A validated, owned Meta/vignette.rds data frame.

Implementations

impl VignetteIndex

pub fn from_object(root: &RObject) -> Result<Self, Error>

Validates and copies a decoded Meta/vignette.rds object.

pub fn entries(&self) -> impl ExactSizeIterator<Item = &VignetteEntry>

Iterates over entries in their on-disk row order.

pub fn len(&self) -> usize

Returns the number of vignette entries.

pub fn is_empty(&self) -> bool

Returns whether the index contains no vignette entries.

Trait Implementations

impl Clone for VignetteIndex

fn clone(&self) -> VignetteIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VignetteIndex

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

Formats the value using the given formatter.

impl Eq for VignetteIndex

impl PartialEq for VignetteIndex

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for VignetteIndex

impl TryFrom<&RObject> for VignetteIndex

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: &RObject) -> Result<Self, Self::Error>

Performs the conversion.