Struct PackageSpec 

pub struct PackageSpec {
    pub name: String,
    pub version: Option<String>,
}

A package to install, named the way registries and package.json dependencies name one: name@version, name#version or name alone for the latest version. A version may end in .x to take the latest match.

Fields

name: String

version: Option<String>

Implementations

impl PackageSpec

pub fn new(name: &str, version: Option<&str>) -> Result<Self, PackageError>

A spec for name at version, both checked.

Errors

When the name or version has characters packages do not use.

Trait Implementations

impl Clone for PackageSpec

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 PackageSpec

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

Formats the value using the given formatter.

impl Display for PackageSpec

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

Formats the value using the given formatter.

impl Eq for PackageSpec

impl FromStr for PackageSpec

type Err = PackageError

The associated error which can be returned from parsing.

fn from_str(value: &str) -> Result<Self, Self::Err>

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

impl PartialEq for PackageSpec

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PackageSpec