Type Alias ProvidedValue

pub type ProvidedValue<'tcx> = Defaultness;

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> {
    Default {
        has_value: bool,
    },
    Final,
}

Variants

Default

Fields

has_value: bool

Final

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: 1 byte

Size for each variant:

• Default: 1 byte
• Final: 0 bytes