Struct FeatureSet

pub struct FeatureSet { /* private fields */ }

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

Implementations

impl FeatureSet

pub fn from_provides<'a>( provides: impl IntoIterator<Item = &'a Action<Provide>>, ) -> Self

Create a new FeatureSet from a sequence of actions that add or remove a provided feature.

pub fn from_required<'a>( required: impl IntoIterator<Item = &'a Action<Require>>, include_optional: bool, ) -> Self

Create a new FeatureSet from a sequence of actions that add or remove a required feature.

If include_optional is true, then optional features are included in the resulting FeatureSet.

pub fn contains(&self, name_ver: (&str, u64)) -> bool

Trait Implementations

impl Clone for FeatureSet

fn clone(&self) -> FeatureSet

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FeatureSet

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

Formats the value using the given formatter.

impl Display for FeatureSet

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

Formats the value using the given formatter.