Enum syn::ForeignItem

source ·
#[non_exhaustive]
pub enum ForeignItem {
    Fn(ForeignItemFn),
    Static(ForeignItemStatic),
    Type(ForeignItemType),
    Macro(ForeignItemMacro),
    Verbatim(TokenStream),
}
Expand description

An item within an extern block.

Syntax tree enum

This type is a syntax tree enum.

Variants (Non-exhaustive)§

This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
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Fn(ForeignItemFn)

A foreign function in an extern block.

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Static(ForeignItemStatic)

A foreign static item in an extern block: static ext: u8.

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Type(ForeignItemType)

A foreign type in an extern block: type void.

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Macro(ForeignItemMacro)

A macro invocation within an extern block.

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Verbatim(TokenStream)

Tokens in an extern block not interpreted by Syn.

Trait Implementations§

Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.
Converts to this type from the input type.

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.