## installed_exact_package

# Function installed_exact_package

Source

    fn installed_exact_package<T>(
        dep: Dependency,
        source: &mut T,
        gctx: &GlobalContext,
        opts: &CompileOptions,
        root: &Filesystem,
        dst: &Path,
        force: bool,
        lockfile_path: Option<&Path>,
    ) -> CargoResult<Option<Package>>where
        T: Source,

Expand description

Checks if vers can only be satisfied by exactly one version of a package in a registry, and it’s already installed. If this is the case, we can skip interacting with a registry to check if newer versions may be installable, as no newer version can exist.