Enum rustc_attr::builtin::AttrError

source · 
enum AttrError {
    MultipleItem(String),
    UnknownMetaItem(String, &'static [&'static str]),
    MissingSince,
    NonIdentFeature,
    MissingFeature,
    MultipleStabilityLevels,
    UnsupportedLiteral(UnsupportedLiteralReason, bool),
}

Variants§

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MultipleItem(String)

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UnknownMetaItem(String, &'static [&'static str])

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MissingSince

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NonIdentFeature

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MissingFeature

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MultipleStabilityLevels

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UnsupportedLiteral(UnsupportedLiteralReason, bool)

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.

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: 48 bytes

Size for each variant:

  • MultipleItem: 31 bytes
  • UnknownMetaItem: 47 bytes
  • MissingSince: 0 bytes
  • NonIdentFeature: 0 bytes
  • MissingFeature: 0 bytes
  • MultipleStabilityLevels: 0 bytes
  • UnsupportedLiteral: 2 bytes