FetchSingle makes a call to the crates.io API regarding pkgname, and populates a returned Single.

LoadCargoFile reads filename (usually "Cargo.toml") and populates the returned Cargo.

LoadCargoLock populates a Cargo structure from an io.Reader of the "Cargo.lock" type file.

LoadCargoLockFile reads filename (usually "Cargo.lock") and populates the returned CargoLock.

LoadCargoToml populates a Cargo structure from an io.Reader of the "Cargo.toml" type file.

LoadSingle populates a Single structure from the provided io.Reader.

Name for identifying this language support.

Cargo is a representation of a `Cargo.toml`.

Crate is a _wildly_ minimal representation of the data structure returned in the crates.io API endpoint for listing or single package.

Package is a bare couple of fields from a `Cargo.toml`.

Single is when querying on a specific crate package.