Struct cargo::core::resolver::dep_cache::Requirements

struct Requirements<'a> {
    summary: &'a Summary,
    deps: HashMap<InternedString, BTreeSet<InternedString>>,
    features: HashSet<InternedString>,
}

Set of feature and dependency requirements for a package.

Fields

summary: &'a Summary

deps: HashMap<InternedString, BTreeSet<InternedString>>

The deps map is a mapping of dependency name to list of features enabled.

The resolver will activate all of these dependencies, with the given features enabled.

features: HashSet<InternedString>

The set of features enabled on this package which is later used when compiling to instruct the code what features were enabled.

Implementations

impl Requirements<'_>

fn new(summary: &Summary) -> Requirements<'_>

fn into_features(self) -> HashSet<InternedString>

fn require_dep_feature( &mut self, package: InternedString, feat: InternedString, weak: bool, ) -> Result<(), RequirementError>

fn require_dependency(&mut self, pkg: InternedString)

fn require_feature( &mut self, feat: InternedString, ) -> Result<(), RequirementError>

fn require_value(&mut self, fv: &FeatureValue) -> Result<(), RequirementError>

Trait Implementations

impl<'a> Debug for Requirements<'a>

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

Formats the value using the given formatter.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 104 bytes