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

Enum BoundPolarity

Source 

pub enum BoundPolarity {
    Positive,
    Negative(Span),
    Maybe(Span),
}

Expand description

The polarity of a trait bound.

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Type: Trait

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Type: !Trait

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Type: ?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: