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## Value

# Type Alias Value

Source

    pub type Value<'tcx> = AnonConstKind;

## Aliased Type§

    pub enum Value<'tcx> {
        GCE,
        MCG,
        RepeatExprCount,
        NonTypeSystem,
    }

## Variants§

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### GCE

`feature(generic_const_exprs)` anon consts are allowed to use arbitrary generic parameters in scope

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### MCG

stable `min_const_generics` anon consts are not allowed to use any generic parameters

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### RepeatExprCount

anon consts used as the length of a repeat expr are syntactically allowed to use generic parameters but must not depend on the actual instantiation. See #76200 for more information

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### NonTypeSystem

anon consts outside of the type system, e.g. enum discriminants

## 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:

- `GCE`: 0 bytes
- `MCG`: 0 bytes
- `RepeatExprCount`: 0 bytes
- `NonTypeSystem`: 0 bytes