echo v1.2.3a4 | rjc version

{
    "resources": {
        "major":      i32,
        "minor":      i32,
        "patch":      i32,
        "prerelease": String,
        "strict":     bool,
        "components": Vec<String>
    }
}

$ echo v1.2.3a4 | rjc -o=pretty version
{
  "resources": {
    "major": 1,
    "minor": 2,
    "patch": 0,
    "prerelease": "3a4",
    "strict": true,
    "components": [
      "1",
      "2",
      "3a4"
    ]
  }
}