Enum CrateSpec

pub enum CrateSpec {
    PkgId {
        name: String,
        version_req: Option<String>,
    },
    Path(PathBuf),
}

User-specified crate

This can be a

• Name (e.g. docopt)
• Name and a version req (e.g. docopt@^0.8)
• Path

Variants

PkgId

Name with optional version req

Fields

name: String

Crate name

version_req: Option<String>

Optional version requirement

Path(PathBuf)

Path to a crate root

Implementations

impl CrateSpec

pub fn resolve(pkg_id: &str) -> CargoResult<Self>

Convert a string to a Crate

pub fn has_version(&self) -> bool

Whether the version req is known or not

pub fn to_dependency(&self) -> CargoResult<Dependency>

Generate a dependency entry for this crate specifier

Trait Implementations

impl Debug for CrateSpec

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

Formats the value using the given formatter.

impl FromStr for CrateSpec

type Err = Error

The associated error which can be returned from parsing.

fn from_str(s: &str) -> CargoResult<Self>

Parses a string s to return a value of this type.