Struct PackagesMatrix 

pub struct PackagesMatrix { /* private fields */ }

A validated, owned view of a CRAN-like PACKAGES.rds character matrix.

Implementations

impl PackagesMatrix

pub fn from_object(object: &RObject) -> Result<Self, ViewError>

Validates and copies a PACKAGES.rds character matrix.

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn column_names(&self) -> impl ExactSizeIterator<Item = &str> + '_

pub fn column(&self, name: &str) -> Option<PackagesColumn<'_>>

pub fn row(&self, index: usize) -> Option<PackagesRow<'_>>

pub fn rows(&self) -> impl ExactSizeIterator<Item = PackagesRow<'_>> + '_

Trait Implementations

impl Clone for PackagesMatrix

fn clone(&self) -> PackagesMatrix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PackagesMatrix

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

Formats the value using the given formatter.

impl Eq for PackagesMatrix

impl PartialEq for PackagesMatrix

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PackagesMatrix

impl TryFrom<&RObject> for PackagesMatrix

type Error = ViewError

The type returned in the event of a conversion error.

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

Performs the conversion.