cargo_gazelle

Struct Select

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pub struct Select<T> {
    pub(crate) entries: BTreeMap<PlatformVariant, T>,
    pub(crate) default: T,
}
Expand description

Helper for formatting a select({ ... }) function.

use cargo_gazelle::{
    List,
    QuotedString,
    Select,
    ToBazelDefinition,
};
use cargo_gazelle::platforms::PlatformVariant;

let features = List::new(["json"]);
let features = [(PlatformVariant::Aarch64MacOS, features)];

let select: Select<List<QuotedString>> = Select::new(features, List::empty());
assert_eq!(select.to_bazel_definition(), "select({\n\t\"@//misc/bazel/platforms:macos_arm\": [\"json\"],\n\t\"//conditions:default\": [],\n})");

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§entries: BTreeMap<PlatformVariant, T>§default: T

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impl<T> Select<T>

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pub fn new<E, I>(entires: I, default: E) -> Select<T>
where E: Into<T>, I: IntoIterator<Item = (PlatformVariant, E)>,

Trait Implementations§

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impl<T: Debug> Debug for Select<T>

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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<T: ToBazelDefinition> ToBazelDefinition for Select<T>

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fn format(&self, writer: &mut dyn Write) -> Result<(), Error>

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fn to_bazel_definition(&self) -> String

Auto Trait Implementations§

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impl<T> Freeze for Select<T>
where T: Freeze,

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impl<T> RefUnwindSafe for Select<T>
where T: RefUnwindSafe,

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impl<T> Send for Select<T>
where T: Send,

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impl<T> Sync for Select<T>
where T: Sync,

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impl<T> Unpin for Select<T>
where T: Unpin,

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impl<T> UnwindSafe for Select<T>

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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> 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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<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, U> TryFrom<U> for T
where U: Into<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>

Performs the conversion.
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impl<T> WithSubscriber for T

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

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more