Struct PackageMeta 

pub struct PackageMeta { /* private fields */ }

Typed, owned metadata from an installed package’s Meta/package.rds.

Implementations

impl PackageMeta

pub fn read_installed( package_dir: impl AsRef<Path>, ) -> Result<Self, InstalledMetadataError>

Reads and validates Meta/package.rds below an installed package directory.

pub fn read_installed_with_options( package_dir: impl AsRef<Path>, options: &ReadOptions, ) -> Result<Self, InstalledMetadataError>

Reads and validates Meta/package.rds with explicit file and decode bounds.

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

Validates and copies a packageDescription2 R object.

pub fn built(&self) -> Option<&Built>

Returns the validated Built metadata, if the element is present.

pub fn description(&self) -> &BTreeMap<String, Option<String>>

Returns all DESCRIPTION fields in sorted key order.

pub fn description_field(&self, name: &str) -> Option<Option<&str>>

Looks up a DESCRIPTION field, preserving the distinction between absent and R NA.

Trait Implementations

impl Clone for PackageMeta

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PackageMeta

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

Formats the value using the given formatter.

impl Eq for PackageMeta

impl PartialEq for PackageMeta

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PackageMeta

impl TryFrom<&RObject> for PackageMeta

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.