# Type Alias rustc_middle::query::queries::coroutine_kind::ProvidedValue

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    pub type ProvidedValue<'tcx> = Option<CoroutineKind>;

Expand description

This type alias specifies the type returned from query providers and the type used for decoding. For regular queries this is the declared returned type `V`, but `arena_cache` will use `<V as Deref>::Target` instead.

## Aliased Type§

    enum ProvidedValue<'tcx> {
        None,
        Some(CoroutineKind),
    }

## Variants§

§1.0.0

### None

No value.

§1.0.0

### Some(CoroutineKind)

Some value of type `T`.

## 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: 2 bytes

Size for each variant:

- `None`: 0 bytes
- `Some`: 2 bytes