Struct Cran 

pub struct Cran;

CRAN package index fetcher.

Trait Implementations

impl PackageIndex for Cran

fn ecosystem(&self) -> &'static str

Ecosystem identifier (e.g., “apt”, “pacman”, “brew”).

fn display_name(&self) -> &'static str

Human-readable name.

fn fetch(&self, name: &str) -> Result<PackageMeta, IndexError>

Fetch metadata for a specific package.

fn fetch_versions(&self, name: &str) -> Result<Vec<VersionMeta>, IndexError>

Fetch available versions for a package (minimal metadata).

fn search(&self, query: &str) -> Result<Vec<PackageMeta>, IndexError>

Search packages by name pattern.

fn fetch_all_versions(&self, name: &str) -> Result<Vec<PackageMeta>, IndexError>

Fetch all versions of a package with full metadata.

fn supports_fetch_all(&self) -> bool

Whether this index supports bulk fetching via fetch_all().

fn fetch_all(&self) -> Result<Vec<PackageMeta>, IndexError>

Fetch all packages into a Vec (loads everything into memory).

fn iter_all(&self) -> Result<PackageIter<'_>, IndexError>

Iterate over all packages lazily (streaming).