BoundKind in rustc_ast::visit - Rust (original) (raw)

pub enum BoundKind {
    Bound,
    Impl,
    TraitObject,
    SuperTraits,
}

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Trait bounds in generics bounds and type/trait alias. E.g., <T: Bound>, type A: Bound, or where T: Bound.

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Trait bounds in impl type. E.g., type Foo = impl Bound1 + Bound2 + Bound3.

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Trait bounds in trait object type. E.g., dyn Bound1 + Bound2 + Bound3.

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Super traits of a trait. E.g., trait A: B

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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: 1 byte

Size for each variant: