Struct rustc_expand::expand::OptExprTag

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struct OptExprTag;

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn from(t: T) -> T

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type Error = Infallible

The type returned in the event of a conversion error.
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type Error = <U as TryFrom<T>>::Error

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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.

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