Crate feature_set

Tracks features provided/required by a library.

Example:

const PROVIDED: &[Action<Provide>] = &[
    add_provide(("foo", 0), "2012-02-21", (1, 2, 3)),
    add_provide(("foo", 1), "2012-02-22", (1, 2, 3)),
    add_provide(("bar", 1), "2012-03-21", (1, 2, 4)),
    del_provide(("foo", 0), "2012-04-21", (1, 2, 5)),
];

let fs = FeatureSet::from_provides(PROVIDED);
assert_eq!("bar:v1, foo:v1", fs.to_string());

Structs

Feature

A named, versioned feature that can be provided or required.

FeatureSet

A collection of features, indexed by (feature_name, feature_version).

Provide

A provided feature.

Require

A required feature with a requirement level.

Since

Since describes when a feature is added or removed.

Enums

Action

An action that adds or removes a provided/required feature.

Functions

add_optional

add_provide

Create an Add a new provided feature action.

add_require

del_provide

Create a Remove a provided feature action.

del_require