BoundConstness in rustc_ast::ast - Rust (original) (raw)

Enum BoundConstness

Source 

pub enum BoundConstness {
    Never,
    Always(Span),
    Maybe(Span),
}

Expand description

The constness of a trait bound.

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Type: Trait

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Type: const Trait

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Type: ~const Trait

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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: 12 bytes

Size for each variant: