Struct cargo::core::features::Features

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pub struct Features {
Show 27 fields
    test_dummy_stable: bool,
    test_dummy_unstable: bool,
    alternative_registries: bool,
    edition: bool,
    rename_dependency: bool,
    publish_lockfile: bool,
    profile_overrides: bool,
    default_run: bool,
    metabuild: bool,
    public_dependency: bool,
    named_profiles: bool,
    resolver: bool,
    strip: bool,
    rust_version: bool,
    edition2021: bool,
    per_package_target: bool,
    codegen_backend: bool,
    different_binary_name: bool,
    profile_rustflags: bool,
    workspace_inheritance: bool,
    edition2024: bool,
    trim_paths: bool,
    open_namespaces: bool,
    path_bases: bool,
    activated: Vec<String>,
    nightly_features_allowed: bool,
    is_local: bool,

}
Expand description

Unstable feature context for querying if a new Cargo.toml syntax is allowed to use.

See the module-level documentation for the usage.

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§test_dummy_stable: bool§test_dummy_unstable: bool§alternative_registries: bool§edition: bool§rename_dependency: bool§publish_lockfile: bool§profile_overrides: bool§default_run: bool§metabuild: bool§public_dependency: bool§named_profiles: bool§resolver: bool§strip: bool§rust_version: bool§edition2021: bool§per_package_target: bool§codegen_backend: bool§different_binary_name: bool§profile_rustflags: bool§workspace_inheritance: bool§edition2024: bool§trim_paths: bool§open_namespaces: bool§path_bases: bool§activated: Vec<String>

The current activated features.

§nightly_features_allowed: bool

Whether is allowed to use any unstable features.

§is_local: bool

Whether the source manifest is from a local package.

Implementations§

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impl Features

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fn status(&mut self, feature: &str) -> Option<(&mut bool, &'static Feature)>

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impl Features

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pub fn new( features: &[String], gctx: &GlobalContext, warnings: &mut Vec<String>, is_local: bool, ) -> CargoResult<Features>

Creates a new unstable features context.

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fn add( &mut self, feature_name: &str, gctx: &GlobalContext, warnings: &mut Vec<String>, ) -> CargoResult<()>

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pub fn activated(&self) -> &[String]

Gets the current activated features.

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pub fn require(&self, feature: &Feature) -> CargoResult<()>

Checks if the given feature is enabled.

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pub fn is_enabled(&self, feature: &Feature) -> bool

Whether the given feature is allowed to use in this context.

Trait Implementations§

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impl Clone for Features

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fn clone(&self) -> Features

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Features

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

Formats the value using the given formatter. Read more
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impl Default for Features

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fn default() -> Features

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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impl<V, T> VZip<V> for T
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fn vzip(self) -> V

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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fn with_current_subscriber(self) -> WithDispatch<Self>

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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: 56 bytes