purl

{
  "$schema": "https://packageurl.org/schemas/purl-type-definition.schema-1.0.json",
  "$id": "https://packageurl.org/types/cargo-definition.json",
  "type": "cargo",
  "type_name": "Cargo",
  "description": "Cargo packages for Rust",
  "repository": {
    "use_repository": true,
    "default_repository_url": "https://crates.io/"
  },
  "namespace_definition": {
    "requirement": "prohibited",
    "note": "there is no namespace"
  },
  "name_definition": {
    "requirement": "required",
    "native_name": "name",
    "case_sensitive": true,
    "note": "The name is the repository name."
  },
  "version_definition": {
    "requirement": "optional",
    "native_name": "version",
    "note": "The version is the package version."
  },
  "examples": [
    "pkg:cargo/rand@0.7.2",
    "pkg:cargo/clap@2.33.0",
    "pkg:cargo/structopt@0.3.11"
  ]
}