FnConverter

Struct FnConverter 

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pub struct FnConverter<F>
where F: Fn(Value) -> DataResult<Value> + Send + Sync + 'static,
{ /* private fields */ }
Expand description

Converter implementation backed by a closure.

use daedalus_data::convert::{Converter, ConverterBuilder};
use daedalus_data::model::{TypeExpr, Value, ValueType};
let conv = ConverterBuilder::new(
    "noop",
    TypeExpr::Scalar(ValueType::Int),
    TypeExpr::Scalar(ValueType::Int),
    |v: Value| Ok(v),
)
.build();
assert_eq!(conv.cost(), 1);

Trait Implementations§

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impl<F> Converter for FnConverter<F>
where F: Fn(Value) -> DataResult<Value> + Send + Sync + 'static,

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fn id(&self) -> ConverterId

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fn input(&self) -> &TypeExpr

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fn output(&self) -> &TypeExpr

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fn cost(&self) -> u64

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fn feature_flags(&self) -> &[String]

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fn requires_gpu(&self) -> bool

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fn convert(&self, value: Value) -> DataResult<Value>

Auto Trait Implementations§

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impl<F> Freeze for FnConverter<F>
where F: Freeze,

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impl<F> RefUnwindSafe for FnConverter<F>
where F: RefUnwindSafe,

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impl<F> Send for FnConverter<F>

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impl<F> Sync for FnConverter<F>

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impl<F> Unpin for FnConverter<F>
where F: Unpin,

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impl<F> UnwindSafe for FnConverter<F>
where F: UnwindSafe,

Blanket 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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.